/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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:15:02,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:15:02,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:15:03,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:15:03,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:15:03,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:15:03,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:15:03,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:15:03,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:15:03,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:15:03,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:15:03,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:15:03,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:15:03,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:15:03,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:15:03,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:15:03,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:15:03,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:15:03,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:15:03,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:15:03,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:15:03,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:15:03,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:15:03,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:15:03,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:15:03,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:15:03,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:15:03,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:15:03,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:15:03,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:15:03,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:15:03,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:15:03,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:15:03,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:15:03,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:15:03,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:15:03,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:15:03,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:15:03,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:15:03,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:15:03,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:15:03,132 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 22:15:03,186 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:15:03,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:15:03,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:15:03,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:15:03,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:15:03,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:15:03,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:15:03,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:15:03,192 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:15:03,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:15:03,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:15:03,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:15:03,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:15:03,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:15:03,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:15:03,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:15:03,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:15:03,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:15:03,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:15:03,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:15:03,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:15:03,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:03,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:15:03,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:15:03,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:15:03,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:15:03,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:15:03,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:15:03,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:15:03,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:15:03,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:15:03,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:15:03,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:15:03,701 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:15:03,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:15:03,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80defe2f/b9509f60eda241a290eee8c7485845eb/FLAG899f06f5e [2022-10-15 22:15:04,512 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:15:04,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:15:04,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80defe2f/b9509f60eda241a290eee8c7485845eb/FLAG899f06f5e [2022-10-15 22:15:04,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b80defe2f/b9509f60eda241a290eee8c7485845eb [2022-10-15 22:15:04,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:15:04,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:15:04,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:04,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:15:04,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:15:04,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:04" (1/1) ... [2022-10-15 22:15:04,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67212026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:04, skipping insertion in model container [2022-10-15 22:15:04,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:15:04" (1/1) ... [2022-10-15 22:15:04,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:15:04,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:15:05,092 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2022-10-15 22:15:05,135 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2022-10-15 22:15:05,171 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2022-10-15 22:15:05,209 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2022-10-15 22:15:05,247 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2022-10-15 22:15:05,273 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2022-10-15 22:15:05,303 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2022-10-15 22:15:05,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:05,380 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:15:05,441 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5819,5832] [2022-10-15 22:15:05,451 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8492,8505] [2022-10-15 22:15:05,462 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11299,11312] [2022-10-15 22:15:05,472 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13874,13887] [2022-10-15 22:15:05,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16880,16893] [2022-10-15 22:15:05,530 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19470,19483] [2022-10-15 22:15:05,539 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22230,22243] [2022-10-15 22:15:05,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:15:05,577 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:15:05,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05 WrapperNode [2022-10-15 22:15:05,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:15:05,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:05,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:15:05,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:15:05,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,693 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1389 [2022-10-15 22:15:05,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:15:05,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:15:05,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:15:05,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:15:05,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:15:05,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:15:05,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:15:05,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:15:05,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (1/1) ... [2022-10-15 22:15:05,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:15:05,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:05,837 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 22:15:05,862 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 22:15:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:15:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:15:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:15:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:15:06,065 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:15:06,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:15:07,455 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:15:07,469 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:15:07,469 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:15:07,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:07 BoogieIcfgContainer [2022-10-15 22:15:07,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:15:07,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:15:07,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:15:07,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:15:07,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:15:04" (1/3) ... [2022-10-15 22:15:07,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ffe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:07, skipping insertion in model container [2022-10-15 22:15:07,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:15:05" (2/3) ... [2022-10-15 22:15:07,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ffe3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:15:07, skipping insertion in model container [2022-10-15 22:15:07,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:15:07" (3/3) ... [2022-10-15 22:15:07,483 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:15:07,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:15:07,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 142 error locations. [2022-10-15 22:15:07,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:15:07,589 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;@3cc209eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:15:07,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 142 error locations. [2022-10-15 22:15:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 392 states have (on average 1.8903061224489797) internal successors, (741), 534 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 22:15:07,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:07,606 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 22:15:07,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:07,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:07,613 INFO L85 PathProgramCache]: Analyzing trace with hash -638367509, now seen corresponding path program 1 times [2022-10-15 22:15:07,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:07,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515650257] [2022-10-15 22:15:07,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:07,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:08,108 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 22:15:08,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:08,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515650257] [2022-10-15 22:15:08,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515650257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:08,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:08,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401679444] [2022-10-15 22:15:08,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:08,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:08,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:08,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:08,171 INFO L87 Difference]: Start difference. First operand has 535 states, 392 states have (on average 1.8903061224489797) internal successors, (741), 534 states have internal predecessors, (741), 0 states have call successors, (0), 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 22:15:08,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:08,885 INFO L93 Difference]: Finished difference Result 673 states and 933 transitions. [2022-10-15 22:15:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:08,888 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 22:15:08,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:08,917 INFO L225 Difference]: With dead ends: 673 [2022-10-15 22:15:08,917 INFO L226 Difference]: Without dead ends: 610 [2022-10-15 22:15:08,922 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 22:15:08,928 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 1146 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:08,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 883 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:15:08,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-10-15 22:15:09,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 538. [2022-10-15 22:15:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 434 states have (on average 1.4585253456221199) internal successors, (633), 537 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 633 transitions. [2022-10-15 22:15:09,061 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 633 transitions. Word has length 26 [2022-10-15 22:15:09,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:09,062 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 633 transitions. [2022-10-15 22:15:09,063 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 22:15:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 633 transitions. [2022-10-15 22:15:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-15 22:15:09,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:09,064 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 22:15:09,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:15:09,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:09,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1685444810, now seen corresponding path program 1 times [2022-10-15 22:15:09,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:09,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582634117] [2022-10-15 22:15:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:09,236 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 22:15:09,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:09,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582634117] [2022-10-15 22:15:09,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582634117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:09,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:09,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:09,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825935076] [2022-10-15 22:15:09,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:09,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:09,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:09,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:09,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:09,241 INFO L87 Difference]: Start difference. First operand 538 states and 633 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 22:15:09,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:09,657 INFO L93 Difference]: Finished difference Result 601 states and 723 transitions. [2022-10-15 22:15:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:09,658 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 22:15:09,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:09,662 INFO L225 Difference]: With dead ends: 601 [2022-10-15 22:15:09,662 INFO L226 Difference]: Without dead ends: 573 [2022-10-15 22:15:09,663 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 22:15:09,665 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 931 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:09,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 450 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:15:09,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-10-15 22:15:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2022-10-15 22:15:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 488 states have (on average 1.4180327868852458) internal successors, (692), 566 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 692 transitions. [2022-10-15 22:15:09,691 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 692 transitions. Word has length 27 [2022-10-15 22:15:09,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:09,691 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 692 transitions. [2022-10-15 22:15:09,692 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 22:15:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 692 transitions. [2022-10-15 22:15:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 22:15:09,693 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:09,693 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 22:15:09,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:15:09,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:09,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 709182669, now seen corresponding path program 1 times [2022-10-15 22:15:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:09,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414719323] [2022-10-15 22:15:09,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:09,815 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 22:15:09,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:09,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414719323] [2022-10-15 22:15:09,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414719323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:09,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:09,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:09,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506745955] [2022-10-15 22:15:09,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:09,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:09,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:09,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:09,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:09,819 INFO L87 Difference]: Start difference. First operand 567 states and 692 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 22:15:10,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:10,397 INFO L93 Difference]: Finished difference Result 1035 states and 1388 transitions. [2022-10-15 22:15:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:15:10,398 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 22:15:10,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:10,403 INFO L225 Difference]: With dead ends: 1035 [2022-10-15 22:15:10,403 INFO L226 Difference]: Without dead ends: 843 [2022-10-15 22:15:10,405 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 22:15:10,407 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 1383 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:10,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1073 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:15:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-10-15 22:15:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 711. [2022-10-15 22:15:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 650 states have (on average 1.4153846153846155) internal successors, (920), 710 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 920 transitions. [2022-10-15 22:15:10,449 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 920 transitions. Word has length 28 [2022-10-15 22:15:10,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:10,449 INFO L495 AbstractCegarLoop]: Abstraction has 711 states and 920 transitions. [2022-10-15 22:15:10,450 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 22:15:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 920 transitions. [2022-10-15 22:15:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 22:15:10,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:10,452 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 22:15:10,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:15:10,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:10,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash 509827372, now seen corresponding path program 1 times [2022-10-15 22:15:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:10,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725067713] [2022-10-15 22:15:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:10,573 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 22:15:10,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:10,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725067713] [2022-10-15 22:15:10,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725067713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:10,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:10,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706355033] [2022-10-15 22:15:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:10,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:10,576 INFO L87 Difference]: Start difference. First operand 711 states and 920 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 22:15:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,007 INFO L93 Difference]: Finished difference Result 834 states and 1097 transitions. [2022-10-15 22:15:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:15:11,008 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 22:15:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,012 INFO L225 Difference]: With dead ends: 834 [2022-10-15 22:15:11,013 INFO L226 Difference]: Without dead ends: 807 [2022-10-15 22:15:11,014 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 22:15:11,015 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 1343 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 631 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:11,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2022-10-15 22:15:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 795. [2022-10-15 22:15:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 756 states have (on average 1.3955026455026456) internal successors, (1055), 794 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1055 transitions. [2022-10-15 22:15:11,063 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1055 transitions. Word has length 29 [2022-10-15 22:15:11,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,063 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1055 transitions. [2022-10-15 22:15:11,064 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 22:15:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1055 transitions. [2022-10-15 22:15:11,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:15:11,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,067 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 22:15:11,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:15:11,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:11,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:11,068 INFO L85 PathProgramCache]: Analyzing trace with hash 413875919, now seen corresponding path program 1 times [2022-10-15 22:15:11,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:11,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701756939] [2022-10-15 22:15:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:11,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:11,205 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 22:15:11,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:11,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701756939] [2022-10-15 22:15:11,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701756939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:11,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:11,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:11,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453360984] [2022-10-15 22:15:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:11,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:11,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:11,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:11,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:11,208 INFO L87 Difference]: Start difference. First operand 795 states and 1055 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 22:15:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:11,535 INFO L93 Difference]: Finished difference Result 969 states and 1305 transitions. [2022-10-15 22:15:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:11,536 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 22:15:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:11,543 INFO L225 Difference]: With dead ends: 969 [2022-10-15 22:15:11,543 INFO L226 Difference]: Without dead ends: 963 [2022-10-15 22:15:11,544 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 22:15:11,548 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 439 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:11,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 811 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-10-15 22:15:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 846. [2022-10-15 22:15:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 810 states have (on average 1.4024691358024692) internal successors, (1136), 845 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1136 transitions. [2022-10-15 22:15:11,609 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1136 transitions. Word has length 53 [2022-10-15 22:15:11,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:11,615 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1136 transitions. [2022-10-15 22:15:11,617 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 22:15:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1136 transitions. [2022-10-15 22:15:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:15:11,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:11,620 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 22:15:11,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:15:11,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:11,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2103661817, now seen corresponding path program 1 times [2022-10-15 22:15:11,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:11,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104222951] [2022-10-15 22:15:11,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:11,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:11,768 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 22:15:11,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:11,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104222951] [2022-10-15 22:15:11,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104222951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:11,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:11,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:11,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044593564] [2022-10-15 22:15:11,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:11,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:11,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:11,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:11,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:11,772 INFO L87 Difference]: Start difference. First operand 846 states and 1136 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 22:15:12,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:12,090 INFO L93 Difference]: Finished difference Result 1131 states and 1552 transitions. [2022-10-15 22:15:12,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:12,090 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 22:15:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:12,097 INFO L225 Difference]: With dead ends: 1131 [2022-10-15 22:15:12,097 INFO L226 Difference]: Without dead ends: 1125 [2022-10-15 22:15:12,097 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 22:15:12,103 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 583 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:12,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 634 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:12,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-10-15 22:15:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1113. [2022-10-15 22:15:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1080 states have (on average 1.4259259259259258) internal successors, (1540), 1112 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1540 transitions. [2022-10-15 22:15:12,213 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1540 transitions. Word has length 53 [2022-10-15 22:15:12,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:12,215 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1540 transitions. [2022-10-15 22:15:12,216 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 22:15:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1540 transitions. [2022-10-15 22:15:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-15 22:15:12,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:12,219 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 22:15:12,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:15:12,219 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash -789005837, now seen corresponding path program 1 times [2022-10-15 22:15:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:12,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905453322] [2022-10-15 22:15:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:12,354 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 22:15:12,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:12,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905453322] [2022-10-15 22:15:12,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905453322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:12,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:12,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:12,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96372876] [2022-10-15 22:15:12,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:12,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:12,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:12,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:12,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:12,357 INFO L87 Difference]: Start difference. First operand 1113 states and 1540 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 22:15:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:12,677 INFO L93 Difference]: Finished difference Result 1119 states and 1540 transitions. [2022-10-15 22:15:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:12,678 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 22:15:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:12,684 INFO L225 Difference]: With dead ends: 1119 [2022-10-15 22:15:12,685 INFO L226 Difference]: Without dead ends: 1113 [2022-10-15 22:15:12,685 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 22:15:12,686 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 495 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:12,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 536 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2022-10-15 22:15:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1107. [2022-10-15 22:15:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1080 states have (on average 1.4064814814814814) internal successors, (1519), 1106 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1519 transitions. [2022-10-15 22:15:12,772 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1519 transitions. Word has length 54 [2022-10-15 22:15:12,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:12,773 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 1519 transitions. [2022-10-15 22:15:12,773 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 22:15:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1519 transitions. [2022-10-15 22:15:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:12,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:12,774 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 22:15:12,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:15:12,775 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1697180783, now seen corresponding path program 1 times [2022-10-15 22:15:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:12,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21714536] [2022-10-15 22:15:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:12,931 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 22:15:12,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:12,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21714536] [2022-10-15 22:15:12,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21714536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:12,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:12,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:12,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934270411] [2022-10-15 22:15:12,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:12,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:12,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:12,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:12,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:12,934 INFO L87 Difference]: Start difference. First operand 1107 states and 1519 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 22:15:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:13,481 INFO L93 Difference]: Finished difference Result 1827 states and 2577 transitions. [2022-10-15 22:15:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:13,482 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 22:15:13,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:13,489 INFO L225 Difference]: With dead ends: 1827 [2022-10-15 22:15:13,489 INFO L226 Difference]: Without dead ends: 1330 [2022-10-15 22:15:13,491 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 22:15:13,492 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 827 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:13,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 1070 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:15:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-15 22:15:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1321. [2022-10-15 22:15:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1296 states have (on average 1.4089506172839505) internal successors, (1826), 1320 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1826 transitions. [2022-10-15 22:15:13,594 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1826 transitions. Word has length 55 [2022-10-15 22:15:13,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:13,594 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1826 transitions. [2022-10-15 22:15:13,595 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 22:15:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1826 transitions. [2022-10-15 22:15:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:13,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:13,596 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 22:15:13,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:15:13,596 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:13,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1047780049, now seen corresponding path program 1 times [2022-10-15 22:15:13,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:13,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169436420] [2022-10-15 22:15:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:13,695 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 22:15:13,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:13,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169436420] [2022-10-15 22:15:13,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169436420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:13,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:13,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:13,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103899312] [2022-10-15 22:15:13,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:13,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:15:13,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:13,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:15:13,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:15:13,698 INFO L87 Difference]: Start difference. First operand 1321 states and 1826 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:14,070 INFO L93 Difference]: Finished difference Result 1498 states and 2076 transitions. [2022-10-15 22:15:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:15:14,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 22:15:14,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:14,078 INFO L225 Difference]: With dead ends: 1498 [2022-10-15 22:15:14,078 INFO L226 Difference]: Without dead ends: 1493 [2022-10-15 22:15:14,079 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 22:15:14,080 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 239 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:14,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 973 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2022-10-15 22:15:14,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1319. [2022-10-15 22:15:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1296 states have (on average 1.400462962962963) internal successors, (1815), 1318 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1815 transitions. [2022-10-15 22:15:14,177 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1815 transitions. Word has length 55 [2022-10-15 22:15:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:14,177 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1815 transitions. [2022-10-15 22:15:14,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1815 transitions. [2022-10-15 22:15:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:14,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:14,178 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 22:15:14,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:15:14,179 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:14,179 INFO L85 PathProgramCache]: Analyzing trace with hash -687433807, now seen corresponding path program 1 times [2022-10-15 22:15:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:14,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383365065] [2022-10-15 22:15:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:14,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:14,291 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 22:15:14,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:14,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383365065] [2022-10-15 22:15:14,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383365065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:14,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:14,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19509988] [2022-10-15 22:15:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:14,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:14,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:14,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:14,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:14,295 INFO L87 Difference]: Start difference. First operand 1319 states and 1815 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 22:15:14,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:14,765 INFO L93 Difference]: Finished difference Result 2090 states and 2945 transitions. [2022-10-15 22:15:14,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:14,766 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 22:15:14,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:14,773 INFO L225 Difference]: With dead ends: 2090 [2022-10-15 22:15:14,773 INFO L226 Difference]: Without dead ends: 1314 [2022-10-15 22:15:14,775 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 22:15:14,775 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 808 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:14,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1085 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-10-15 22:15:14,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1308. [2022-10-15 22:15:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1287 states have (on average 1.3986013986013985) internal successors, (1800), 1307 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1800 transitions. [2022-10-15 22:15:14,888 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1800 transitions. Word has length 55 [2022-10-15 22:15:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:14,888 INFO L495 AbstractCegarLoop]: Abstraction has 1308 states and 1800 transitions. [2022-10-15 22:15:14,888 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 22:15:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1800 transitions. [2022-10-15 22:15:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:15:14,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:14,890 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 22:15:14,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:15:14,890 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1310623881, now seen corresponding path program 1 times [2022-10-15 22:15:14,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:14,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681612862] [2022-10-15 22:15:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:15,037 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 22:15:15,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:15,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681612862] [2022-10-15 22:15:15,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681612862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:15,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:15,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:15,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077266736] [2022-10-15 22:15:15,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:15,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:15,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:15,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:15,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:15,040 INFO L87 Difference]: Start difference. First operand 1308 states and 1800 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 22:15:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:15,438 INFO L93 Difference]: Finished difference Result 1971 states and 2764 transitions. [2022-10-15 22:15:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:15,439 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 22:15:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:15,448 INFO L225 Difference]: With dead ends: 1971 [2022-10-15 22:15:15,448 INFO L226 Difference]: Without dead ends: 1639 [2022-10-15 22:15:15,450 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 22:15:15,451 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 829 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:15,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 832 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:15,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-10-15 22:15:15,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1468. [2022-10-15 22:15:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1449 states have (on average 1.401656314699793) internal successors, (2031), 1467 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2031 transitions. [2022-10-15 22:15:15,613 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2031 transitions. Word has length 55 [2022-10-15 22:15:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:15,614 INFO L495 AbstractCegarLoop]: Abstraction has 1468 states and 2031 transitions. [2022-10-15 22:15:15,614 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 22:15:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2031 transitions. [2022-10-15 22:15:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:15,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:15,616 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 22:15:15,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:15:15,616 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:15,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:15,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1072996105, now seen corresponding path program 1 times [2022-10-15 22:15:15,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:15,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401296960] [2022-10-15 22:15:15,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:15,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:15,775 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 22:15:15,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:15,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401296960] [2022-10-15 22:15:15,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401296960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:15,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:15,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469886369] [2022-10-15 22:15:15,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:15,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:15,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:15,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:15,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:15,778 INFO L87 Difference]: Start difference. First operand 1468 states and 2031 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 22:15:16,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:16,229 INFO L93 Difference]: Finished difference Result 2731 states and 3898 transitions. [2022-10-15 22:15:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:16,229 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 22:15:16,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:16,239 INFO L225 Difference]: With dead ends: 2731 [2022-10-15 22:15:16,239 INFO L226 Difference]: Without dead ends: 1896 [2022-10-15 22:15:16,241 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 22:15:16,242 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 940 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:16,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 677 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:16,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2022-10-15 22:15:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1722. [2022-10-15 22:15:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1705 states have (on average 1.4205278592375365) internal successors, (2422), 1721 states have internal predecessors, (2422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2422 transitions. [2022-10-15 22:15:16,383 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2422 transitions. Word has length 56 [2022-10-15 22:15:16,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:16,383 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2422 transitions. [2022-10-15 22:15:16,384 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 22:15:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2422 transitions. [2022-10-15 22:15:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:15:16,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:16,385 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 22:15:16,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:15:16,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:16,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1974635701, now seen corresponding path program 1 times [2022-10-15 22:15:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:16,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146484275] [2022-10-15 22:15:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:16,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:16,500 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 22:15:16,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:16,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146484275] [2022-10-15 22:15:16,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146484275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:16,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:16,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:16,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716121602] [2022-10-15 22:15:16,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:16,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:16,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:16,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:16,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:16,503 INFO L87 Difference]: Start difference. First operand 1722 states and 2422 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 22:15:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:16,941 INFO L93 Difference]: Finished difference Result 3366 states and 4871 transitions. [2022-10-15 22:15:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:16,942 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 22:15:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:16,955 INFO L225 Difference]: With dead ends: 3366 [2022-10-15 22:15:16,955 INFO L226 Difference]: Without dead ends: 2202 [2022-10-15 22:15:16,961 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 22:15:16,963 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 959 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:16,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 626 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2022-10-15 22:15:17,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 1863. [2022-10-15 22:15:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1849 states have (on average 1.4299621416982153) internal successors, (2644), 1862 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2644 transitions. [2022-10-15 22:15:17,132 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2644 transitions. Word has length 56 [2022-10-15 22:15:17,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:17,132 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2644 transitions. [2022-10-15 22:15:17,132 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 22:15:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2644 transitions. [2022-10-15 22:15:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:15:17,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:17,134 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 22:15:17,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:15:17,134 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:17,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1894295379, now seen corresponding path program 1 times [2022-10-15 22:15:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:17,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302938426] [2022-10-15 22:15:17,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:17,278 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 22:15:17,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:17,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302938426] [2022-10-15 22:15:17,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302938426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:17,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:17,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:17,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222153657] [2022-10-15 22:15:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:17,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:17,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:17,281 INFO L87 Difference]: Start difference. First operand 1863 states and 2644 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 22:15:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:17,680 INFO L93 Difference]: Finished difference Result 2364 states and 3376 transitions. [2022-10-15 22:15:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:17,681 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 22:15:17,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:17,711 INFO L225 Difference]: With dead ends: 2364 [2022-10-15 22:15:17,712 INFO L226 Difference]: Without dead ends: 2360 [2022-10-15 22:15:17,713 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 22:15:17,713 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 501 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:17,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 971 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:17,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2022-10-15 22:15:17,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2348. [2022-10-15 22:15:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2348 states, 2335 states have (on average 1.4402569593147752) internal successors, (3363), 2347 states have internal predecessors, (3363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3363 transitions. [2022-10-15 22:15:17,890 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3363 transitions. Word has length 57 [2022-10-15 22:15:17,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:17,891 INFO L495 AbstractCegarLoop]: Abstraction has 2348 states and 3363 transitions. [2022-10-15 22:15:17,891 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 22:15:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3363 transitions. [2022-10-15 22:15:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:15:17,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:17,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:17,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:15:17,893 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:17,893 INFO L85 PathProgramCache]: Analyzing trace with hash 977280711, now seen corresponding path program 1 times [2022-10-15 22:15:17,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:17,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249311211] [2022-10-15 22:15:17,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:18,015 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 22:15:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:18,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249311211] [2022-10-15 22:15:18,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249311211] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:18,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:18,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085270184] [2022-10-15 22:15:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:18,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:18,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:18,018 INFO L87 Difference]: Start difference. First operand 2348 states and 3363 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 22:15:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:18,535 INFO L93 Difference]: Finished difference Result 2408 states and 3443 transitions. [2022-10-15 22:15:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:18,536 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 22:15:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:18,549 INFO L225 Difference]: With dead ends: 2408 [2022-10-15 22:15:18,549 INFO L226 Difference]: Without dead ends: 2397 [2022-10-15 22:15:18,550 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 22:15:18,551 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 450 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:18,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1166 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:15:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2022-10-15 22:15:18,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2394. [2022-10-15 22:15:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2382 states have (on average 1.4395465994962218) internal successors, (3429), 2393 states have internal predecessors, (3429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 3429 transitions. [2022-10-15 22:15:18,764 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 3429 transitions. Word has length 57 [2022-10-15 22:15:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:18,765 INFO L495 AbstractCegarLoop]: Abstraction has 2394 states and 3429 transitions. [2022-10-15 22:15:18,765 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 22:15:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 3429 transitions. [2022-10-15 22:15:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:15:18,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:18,766 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 22:15:18,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:15:18,767 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:18,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:18,767 INFO L85 PathProgramCache]: Analyzing trace with hash -96866765, now seen corresponding path program 1 times [2022-10-15 22:15:18,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:18,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132778215] [2022-10-15 22:15:18,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:18,888 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 22:15:18,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:18,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132778215] [2022-10-15 22:15:18,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132778215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:18,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:18,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:18,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990143093] [2022-10-15 22:15:18,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:18,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:18,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:18,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:18,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:18,890 INFO L87 Difference]: Start difference. First operand 2394 states and 3429 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 22:15:19,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:19,347 INFO L93 Difference]: Finished difference Result 2562 states and 3669 transitions. [2022-10-15 22:15:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:19,348 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 22:15:19,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:19,361 INFO L225 Difference]: With dead ends: 2562 [2022-10-15 22:15:19,362 INFO L226 Difference]: Without dead ends: 2558 [2022-10-15 22:15:19,363 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 22:15:19,364 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 542 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:19,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 724 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2022-10-15 22:15:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2555. [2022-10-15 22:15:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2544 states have (on average 1.4394654088050314) internal successors, (3662), 2554 states have internal predecessors, (3662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3662 transitions. [2022-10-15 22:15:19,584 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3662 transitions. Word has length 57 [2022-10-15 22:15:19,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:19,585 INFO L495 AbstractCegarLoop]: Abstraction has 2555 states and 3662 transitions. [2022-10-15 22:15:19,585 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 22:15:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3662 transitions. [2022-10-15 22:15:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:15:19,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:19,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:19,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:15:19,587 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:19,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1406384905, now seen corresponding path program 1 times [2022-10-15 22:15:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:19,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603433706] [2022-10-15 22:15:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:19,716 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 22:15:19,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:19,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603433706] [2022-10-15 22:15:19,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603433706] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:19,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:19,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:19,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229863577] [2022-10-15 22:15:19,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:19,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:19,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:19,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:19,718 INFO L87 Difference]: Start difference. First operand 2555 states and 3662 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:20,102 INFO L93 Difference]: Finished difference Result 3038 states and 4371 transitions. [2022-10-15 22:15:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:20,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:15:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:20,113 INFO L225 Difference]: With dead ends: 3038 [2022-10-15 22:15:20,114 INFO L226 Difference]: Without dead ends: 1939 [2022-10-15 22:15:20,116 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 22:15:20,117 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 495 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:20,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 658 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:20,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-10-15 22:15:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1438. [2022-10-15 22:15:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1428 states have (on average 1.4138655462184875) internal successors, (2019), 1437 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2019 transitions. [2022-10-15 22:15:20,259 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2019 transitions. Word has length 58 [2022-10-15 22:15:20,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:20,259 INFO L495 AbstractCegarLoop]: Abstraction has 1438 states and 2019 transitions. [2022-10-15 22:15:20,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2019 transitions. [2022-10-15 22:15:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:15:20,261 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:20,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:20,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:15:20,262 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:20,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:20,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1301058662, now seen corresponding path program 1 times [2022-10-15 22:15:20,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:20,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057527800] [2022-10-15 22:15:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:20,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:15:20,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057527800] [2022-10-15 22:15:20,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057527800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:20,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:20,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:20,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389694181] [2022-10-15 22:15:20,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:20,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:20,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:20,396 INFO L87 Difference]: Start difference. First operand 1438 states and 2019 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:20,692 INFO L93 Difference]: Finished difference Result 1485 states and 2081 transitions. [2022-10-15 22:15:20,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:20,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:15:20,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:20,699 INFO L225 Difference]: With dead ends: 1485 [2022-10-15 22:15:20,699 INFO L226 Difference]: Without dead ends: 1390 [2022-10-15 22:15:20,700 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 22:15:20,701 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 278 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:20,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 769 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2022-10-15 22:15:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1386. [2022-10-15 22:15:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1377 states have (on average 1.4103122730573712) internal successors, (1942), 1385 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 22:15:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1942 transitions. [2022-10-15 22:15:20,816 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1942 transitions. Word has length 59 [2022-10-15 22:15:20,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:20,817 INFO L495 AbstractCegarLoop]: Abstraction has 1386 states and 1942 transitions. [2022-10-15 22:15:20,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1942 transitions. [2022-10-15 22:15:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:15:20,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:20,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:15:20,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:15:20,819 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:20,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash 697819846, now seen corresponding path program 1 times [2022-10-15 22:15:20,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:20,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732684218] [2022-10-15 22:15:20,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:20,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:20,970 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 22:15:20,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:20,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732684218] [2022-10-15 22:15:20,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732684218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:20,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:20,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:20,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531915242] [2022-10-15 22:15:20,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:20,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:20,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:20,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:20,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:20,973 INFO L87 Difference]: Start difference. First operand 1386 states and 1942 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:21,263 INFO L93 Difference]: Finished difference Result 1495 states and 2086 transitions. [2022-10-15 22:15:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:21,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:15:21,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:21,268 INFO L225 Difference]: With dead ends: 1495 [2022-10-15 22:15:21,268 INFO L226 Difference]: Without dead ends: 1326 [2022-10-15 22:15:21,269 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 22:15:21,269 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 302 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:21,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 747 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2022-10-15 22:15:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1314. [2022-10-15 22:15:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1305 states have (on average 1.4137931034482758) internal successors, (1845), 1313 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1845 transitions. [2022-10-15 22:15:21,411 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1845 transitions. Word has length 79 [2022-10-15 22:15:21,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:21,412 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 1845 transitions. [2022-10-15 22:15:21,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1845 transitions. [2022-10-15 22:15:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:15:21,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:21,415 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] [2022-10-15 22:15:21,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:15:21,415 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:21,416 INFO L85 PathProgramCache]: Analyzing trace with hash 879419892, now seen corresponding path program 1 times [2022-10-15 22:15:21,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:21,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987024087] [2022-10-15 22:15:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:21,523 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 22:15:21,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:21,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987024087] [2022-10-15 22:15:21,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987024087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:21,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:21,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:21,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238560790] [2022-10-15 22:15:21,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:21,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:21,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:21,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:21,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:21,527 INFO L87 Difference]: Start difference. First operand 1314 states and 1845 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:21,827 INFO L93 Difference]: Finished difference Result 3178 states and 4588 transitions. [2022-10-15 22:15:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-15 22:15:21,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:21,834 INFO L225 Difference]: With dead ends: 3178 [2022-10-15 22:15:21,834 INFO L226 Difference]: Without dead ends: 2101 [2022-10-15 22:15:21,836 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 22:15:21,837 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 217 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:21,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 449 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:21,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2022-10-15 22:15:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2058. [2022-10-15 22:15:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2049 states have (on average 1.423621278672523) internal successors, (2917), 2057 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2917 transitions. [2022-10-15 22:15:22,116 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2917 transitions. Word has length 108 [2022-10-15 22:15:22,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:22,116 INFO L495 AbstractCegarLoop]: Abstraction has 2058 states and 2917 transitions. [2022-10-15 22:15:22,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2917 transitions. [2022-10-15 22:15:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-15 22:15:22,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:22,119 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] [2022-10-15 22:15:22,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:15:22,120 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash -690331056, now seen corresponding path program 1 times [2022-10-15 22:15:22,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:22,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518790160] [2022-10-15 22:15:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:22,259 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 22:15:22,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:22,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518790160] [2022-10-15 22:15:22,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518790160] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:22,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387718534] [2022-10-15 22:15:22,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:22,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:22,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:22,263 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 22:15:22,290 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 22:15:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:22,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:22,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:22,586 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 22:15:22,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:22,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387718534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:22,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:22,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:22,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533254654] [2022-10-15 22:15:22,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:22,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:22,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:22,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:22,589 INFO L87 Difference]: Start difference. First operand 2058 states and 2917 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:23,217 INFO L93 Difference]: Finished difference Result 5760 states and 8303 transitions. [2022-10-15 22:15:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:23,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 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 108 [2022-10-15 22:15:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:23,227 INFO L225 Difference]: With dead ends: 5760 [2022-10-15 22:15:23,227 INFO L226 Difference]: Without dead ends: 3823 [2022-10-15 22:15:23,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 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 22:15:23,233 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 581 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:23,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 253 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2022-10-15 22:15:23,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3812. [2022-10-15 22:15:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 3803 states have (on average 1.4396529056008414) internal successors, (5475), 3811 states have internal predecessors, (5475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5475 transitions. [2022-10-15 22:15:23,682 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5475 transitions. Word has length 108 [2022-10-15 22:15:23,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:23,682 INFO L495 AbstractCegarLoop]: Abstraction has 3812 states and 5475 transitions. [2022-10-15 22:15:23,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5475 transitions. [2022-10-15 22:15:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:15:23,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:23,687 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 22:15:23,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 22:15:23,901 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 22:15:23,902 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1696941560, now seen corresponding path program 1 times [2022-10-15 22:15:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:23,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413342421] [2022-10-15 22:15:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:24,049 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 22:15:24,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:24,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413342421] [2022-10-15 22:15:24,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413342421] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:24,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738130168] [2022-10-15 22:15:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:24,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:24,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:24,055 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 22:15:24,080 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 22:15:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:24,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:24,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:24,357 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 22:15:24,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:24,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738130168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:24,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:24,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:24,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451783745] [2022-10-15 22:15:24,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:24,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:24,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:24,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:24,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:24,362 INFO L87 Difference]: Start difference. First operand 3812 states and 5475 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 22:15:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:24,987 INFO L93 Difference]: Finished difference Result 7471 states and 10778 transitions. [2022-10-15 22:15:24,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:24,988 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 22:15:24,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:24,997 INFO L225 Difference]: With dead ends: 7471 [2022-10-15 22:15:24,997 INFO L226 Difference]: Without dead ends: 3751 [2022-10-15 22:15:25,005 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 22:15:25,006 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 352 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:25,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 140 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:25,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2022-10-15 22:15:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3751. [2022-10-15 22:15:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 3742 states have (on average 1.4233030464991983) internal successors, (5326), 3750 states have internal predecessors, (5326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5326 transitions. [2022-10-15 22:15:25,485 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5326 transitions. Word has length 109 [2022-10-15 22:15:25,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:25,485 INFO L495 AbstractCegarLoop]: Abstraction has 3751 states and 5326 transitions. [2022-10-15 22:15:25,485 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 22:15:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5326 transitions. [2022-10-15 22:15:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 22:15:25,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:25,489 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 22:15:25,525 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 22:15:25,703 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 22:15:25,704 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:25,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:25,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2067371374, now seen corresponding path program 1 times [2022-10-15 22:15:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:25,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101046479] [2022-10-15 22:15:25,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:25,834 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 22:15:25,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:25,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101046479] [2022-10-15 22:15:25,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101046479] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:25,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963258743] [2022-10-15 22:15:25,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:25,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:25,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:25,836 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 22:15:25,858 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 22:15:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:25,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:15:25,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:26,070 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 22:15:26,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:26,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963258743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:26,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:26,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:15:26,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171007484] [2022-10-15 22:15:26,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:26,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:26,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:26,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:26,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:15:26,073 INFO L87 Difference]: Start difference. First operand 3751 states and 5326 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 22:15:26,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:26,634 INFO L93 Difference]: Finished difference Result 7408 states and 10551 transitions. [2022-10-15 22:15:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:26,634 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 22:15:26,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:26,643 INFO L225 Difference]: With dead ends: 7408 [2022-10-15 22:15:26,644 INFO L226 Difference]: Without dead ends: 3733 [2022-10-15 22:15:26,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 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 22:15:26,651 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 291 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:26,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 133 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2022-10-15 22:15:27,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 3733. [2022-10-15 22:15:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3724 states have (on average 1.4035982814178303) internal successors, (5227), 3732 states have internal predecessors, (5227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5227 transitions. [2022-10-15 22:15:27,048 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5227 transitions. Word has length 110 [2022-10-15 22:15:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:27,048 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5227 transitions. [2022-10-15 22:15:27,048 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 22:15:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5227 transitions. [2022-10-15 22:15:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:15:27,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:27,051 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 22:15:27,075 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 22:15:27,252 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 22:15:27,252 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:27,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1515911856, now seen corresponding path program 1 times [2022-10-15 22:15:27,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:27,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193433452] [2022-10-15 22:15:27,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:27,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:27,379 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 22:15:27,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:27,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193433452] [2022-10-15 22:15:27,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193433452] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:27,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718446707] [2022-10-15 22:15:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:27,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:27,381 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 22:15:27,389 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 22:15:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:27,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:27,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:27,782 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 22:15:27,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:27,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718446707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:27,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:27,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:15:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457754300] [2022-10-15 22:15:27,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:27,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:15:27,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:27,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:15:27,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:15:27,786 INFO L87 Difference]: Start difference. First operand 3733 states and 5227 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:29,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:29,761 INFO L93 Difference]: Finished difference Result 17601 states and 24687 transitions. [2022-10-15 22:15:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:15:29,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 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 22:15:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:29,799 INFO L225 Difference]: With dead ends: 17601 [2022-10-15 22:15:29,799 INFO L226 Difference]: Without dead ends: 13970 [2022-10-15 22:15:29,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 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 22:15:29,808 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 865 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:29,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 411 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:29,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13970 states. [2022-10-15 22:15:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13970 to 6805. [2022-10-15 22:15:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6805 states, 6796 states have (on average 1.4077398469688052) internal successors, (9567), 6804 states have internal predecessors, (9567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6805 states to 6805 states and 9567 transitions. [2022-10-15 22:15:30,687 INFO L78 Accepts]: Start accepts. Automaton has 6805 states and 9567 transitions. Word has length 111 [2022-10-15 22:15:30,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:30,688 INFO L495 AbstractCegarLoop]: Abstraction has 6805 states and 9567 transitions. [2022-10-15 22:15:30,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 6805 states and 9567 transitions. [2022-10-15 22:15:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:15:30,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:30,692 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] [2022-10-15 22:15:30,738 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 22:15:30,905 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 22:15:30,906 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:30,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:30,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1159461583, now seen corresponding path program 1 times [2022-10-15 22:15:30,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:30,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248009262] [2022-10-15 22:15:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:31,024 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 22:15:31,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:31,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248009262] [2022-10-15 22:15:31,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248009262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:31,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:31,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:15:31,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267871289] [2022-10-15 22:15:31,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:31,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:15:31,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:31,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:15:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:31,027 INFO L87 Difference]: Start difference. First operand 6805 states and 9567 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:32,729 INFO L93 Difference]: Finished difference Result 14685 states and 20627 transitions. [2022-10-15 22:15:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:15:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-15 22:15:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:32,752 INFO L225 Difference]: With dead ends: 14685 [2022-10-15 22:15:32,753 INFO L226 Difference]: Without dead ends: 7982 [2022-10-15 22:15:32,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:15:32,763 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 64 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 358 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 22:15:32,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 358 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:15:32,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7982 states. [2022-10-15 22:15:33,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7982 to 7715. [2022-10-15 22:15:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7715 states, 7706 states have (on average 1.3925512587594082) internal successors, (10731), 7714 states have internal predecessors, (10731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7715 states to 7715 states and 10731 transitions. [2022-10-15 22:15:33,883 INFO L78 Accepts]: Start accepts. Automaton has 7715 states and 10731 transitions. Word has length 115 [2022-10-15 22:15:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:33,884 INFO L495 AbstractCegarLoop]: Abstraction has 7715 states and 10731 transitions. [2022-10-15 22:15:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7715 states and 10731 transitions. [2022-10-15 22:15:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-15 22:15:33,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:33,888 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] [2022-10-15 22:15:33,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:15:33,889 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:33,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1711282209, now seen corresponding path program 1 times [2022-10-15 22:15:33,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:33,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409673544] [2022-10-15 22:15:33,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:33,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:34,063 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 22:15:34,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:34,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409673544] [2022-10-15 22:15:34,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409673544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:34,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:34,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:15:34,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068301318] [2022-10-15 22:15:34,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:34,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:34,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:34,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:34,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:34,065 INFO L87 Difference]: Start difference. First operand 7715 states and 10731 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:35,402 INFO L93 Difference]: Finished difference Result 8158 states and 11329 transitions. [2022-10-15 22:15:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:35,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-15 22:15:35,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:35,420 INFO L225 Difference]: With dead ends: 8158 [2022-10-15 22:15:35,420 INFO L226 Difference]: Without dead ends: 8155 [2022-10-15 22:15:35,424 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 22:15:35,424 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 190 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:35,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 576 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:35,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8155 states. [2022-10-15 22:15:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8155 to 7275. [2022-10-15 22:15:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7275 states, 7266 states have (on average 1.3923754472887422) internal successors, (10117), 7274 states have internal predecessors, (10117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7275 states to 7275 states and 10117 transitions. [2022-10-15 22:15:36,855 INFO L78 Accepts]: Start accepts. Automaton has 7275 states and 10117 transitions. Word has length 115 [2022-10-15 22:15:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:36,855 INFO L495 AbstractCegarLoop]: Abstraction has 7275 states and 10117 transitions. [2022-10-15 22:15:36,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 7275 states and 10117 transitions. [2022-10-15 22:15:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 22:15:36,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:36,860 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] [2022-10-15 22:15:36,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:15:36,860 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1149133661, now seen corresponding path program 1 times [2022-10-15 22:15:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:36,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179786148] [2022-10-15 22:15:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:37,010 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 22:15:37,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:37,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179786148] [2022-10-15 22:15:37,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179786148] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:37,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264535835] [2022-10-15 22:15:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:37,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:37,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:37,015 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 22:15:37,021 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 22:15:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:37,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:37,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:37,408 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 22:15:37,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:15:37,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264535835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:37,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:15:37,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:15:37,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850466575] [2022-10-15 22:15:37,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:37,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:15:37,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:37,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:15:37,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:15:37,412 INFO L87 Difference]: Start difference. First operand 7275 states and 10117 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:42,059 INFO L93 Difference]: Finished difference Result 36715 states and 50865 transitions. [2022-10-15 22:15:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:15:42,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 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 117 [2022-10-15 22:15:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:42,119 INFO L225 Difference]: With dead ends: 36715 [2022-10-15 22:15:42,119 INFO L226 Difference]: Without dead ends: 29542 [2022-10-15 22:15:42,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 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 22:15:42,136 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 972 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:42,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 354 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:15:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29542 states. [2022-10-15 22:15:44,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29542 to 15711. [2022-10-15 22:15:44,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15711 states, 15702 states have (on average 1.3956183925614571) internal successors, (21914), 15710 states have internal predecessors, (21914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15711 states to 15711 states and 21914 transitions. [2022-10-15 22:15:44,592 INFO L78 Accepts]: Start accepts. Automaton has 15711 states and 21914 transitions. Word has length 117 [2022-10-15 22:15:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:44,592 INFO L495 AbstractCegarLoop]: Abstraction has 15711 states and 21914 transitions. [2022-10-15 22:15:44,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 15711 states and 21914 transitions. [2022-10-15 22:15:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-15 22:15:44,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:44,601 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] [2022-10-15 22:15:44,645 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 22:15:44,815 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 22:15:44,816 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:44,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1956180530, now seen corresponding path program 1 times [2022-10-15 22:15:44,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:44,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002969651] [2022-10-15 22:15:44,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:44,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:45,244 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 22:15:45,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:45,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002969651] [2022-10-15 22:15:45,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002969651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:15:45,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:15:45,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:15:45,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242319816] [2022-10-15 22:15:45,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:15:45,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:15:45,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:15:45,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:15:45,247 INFO L87 Difference]: Start difference. First operand 15711 states and 21914 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:15:47,637 INFO L93 Difference]: Finished difference Result 31323 states and 43716 transitions. [2022-10-15 22:15:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:15:47,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 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 140 [2022-10-15 22:15:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:15:47,668 INFO L225 Difference]: With dead ends: 31323 [2022-10-15 22:15:47,669 INFO L226 Difference]: Without dead ends: 15714 [2022-10-15 22:15:47,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:15:47,691 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 288 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:15:47,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 251 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:15:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15714 states. [2022-10-15 22:15:50,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15714 to 15711. [2022-10-15 22:15:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15711 states, 15702 states have (on average 1.3930709463762578) internal successors, (21874), 15710 states have internal predecessors, (21874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15711 states to 15711 states and 21874 transitions. [2022-10-15 22:15:50,533 INFO L78 Accepts]: Start accepts. Automaton has 15711 states and 21874 transitions. Word has length 140 [2022-10-15 22:15:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:15:50,533 INFO L495 AbstractCegarLoop]: Abstraction has 15711 states and 21874 transitions. [2022-10-15 22:15:50,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:15:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 15711 states and 21874 transitions. [2022-10-15 22:15:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-15 22:15:50,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:15:50,541 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 22:15:50,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:15:50,542 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 139 more)] === [2022-10-15 22:15:50,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:15:50,542 INFO L85 PathProgramCache]: Analyzing trace with hash 311120353, now seen corresponding path program 1 times [2022-10-15 22:15:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:15:50,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442958766] [2022-10-15 22:15:50,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:15:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:50,694 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 22:15:50,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:15:50,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442958766] [2022-10-15 22:15:50,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442958766] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:15:50,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107609932] [2022-10-15 22:15:50,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:15:50,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:15:50,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:15:50,697 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 22:15:50,720 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 22:15:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:15:50,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:15:50,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:15:51,266 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 22:15:51,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 22:15:51,488 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 22:15:51,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107609932] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 22:15:51,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 22:15:51,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-15 22:15:51,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722941446] [2022-10-15 22:15:51,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 22:15:51,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 22:15:51,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:15:51,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 22:15:51,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-15 22:15:51,492 INFO L87 Difference]: Start difference. First operand 15711 states and 21874 transitions. Second operand has 14 states, 14 states have (on average 28.428571428571427) internal successors, (398), 14 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)