/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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:04:42,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:04:42,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:04:42,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:04:42,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:04:42,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:04:42,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:04:42,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:04:42,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:04:42,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:04:42,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:04:42,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:04:42,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:04:42,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:04:42,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:04:42,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:04:42,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:04:42,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:04:42,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:04:42,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:04:42,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:04:42,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:04:42,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:04:42,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:04:42,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:04:42,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:04:42,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:04:42,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:04:42,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:04:42,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:04:42,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:04:42,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:04:42,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:04:42,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:04:42,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:04:42,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:04:42,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:04:42,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:04:42,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:04:42,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:04:42,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:04:42,107 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 [2022-10-16 16:04:42,136 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:04:42,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:04:42,137 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:04:42,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:04:42,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:04:42,138 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:04:42,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:04:42,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:04:42,139 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:04:42,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:04:42,140 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:04:42,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:04:42,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:04:42,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:04:42,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:04:42,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:04:42,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:04:42,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:04:42,142 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:04:42,142 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:04:42,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:04:42,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:04:42,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:04:42,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:04:42,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:04:42,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:04:42,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:42,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:04:42,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:04:42,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:04:42,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:04:42,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:04:42,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:04:42,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:04:42,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:04:42,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:04:42,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:04:42,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:04:42,536 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:04:42,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:04:42,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154b485ad/c43561938aa34c63ab24f6a1962bdade/FLAG0afbf12fb [2022-10-16 16:04:43,554 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:04:43,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:04:43,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154b485ad/c43561938aa34c63ab24f6a1962bdade/FLAG0afbf12fb [2022-10-16 16:04:44,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/154b485ad/c43561938aa34c63ab24f6a1962bdade [2022-10-16 16:04:44,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:04:44,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:04:44,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:44,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:04:44,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:04:44,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:44" (1/1) ... [2022-10-16 16:04:44,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600fd344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:44, skipping insertion in model container [2022-10-16 16:04:44,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:44" (1/1) ... [2022-10-16 16:04:44,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:04:44,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:04:44,738 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2022-10-16 16:04:44,812 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2022-10-16 16:04:44,824 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2022-10-16 16:04:44,831 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2022-10-16 16:04:44,853 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2022-10-16 16:04:44,861 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2022-10-16 16:04:44,878 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2022-10-16 16:04:45,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:45,497 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:04:45,583 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2022-10-16 16:04:45,610 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2022-10-16 16:04:45,617 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2022-10-16 16:04:45,622 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2022-10-16 16:04:45,633 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2022-10-16 16:04:45,638 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2022-10-16 16:04:45,646 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2022-10-16 16:04:46,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:46,050 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:04:46,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46 WrapperNode [2022-10-16 16:04:46,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:46,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:46,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:04:46,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:04:46,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,361 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7527 [2022-10-16 16:04:46,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:46,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:04:46,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:04:46,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:04:46,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:04:46,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:04:46,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:04:46,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:04:46,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (1/1) ... [2022-10-16 16:04:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:04:46,636 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) [2022-10-16 16:04:46,653 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 [2022-10-16 16:04:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:04:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:04:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:04:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:04:47,105 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:04:47,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:04:51,579 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:04:51,625 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:04:51,626 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:04:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:51 BoogieIcfgContainer [2022-10-16 16:04:51,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:04:51,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:04:51,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:04:51,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:04:51,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:04:44" (1/3) ... [2022-10-16 16:04:51,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288c409f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:51, skipping insertion in model container [2022-10-16 16:04:51,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:46" (2/3) ... [2022-10-16 16:04:51,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288c409f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:51, skipping insertion in model container [2022-10-16 16:04:51,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:51" (3/3) ... [2022-10-16 16:04:51,646 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:04:51,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:04:51,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1000 error locations. [2022-10-16 16:04:51,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:04:51,865 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;@672aa91d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:04:51,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1000 error locations. [2022-10-16 16:04:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 3087 states, 2086 states have (on average 1.9415148609779482) internal successors, (4050), 3086 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:51,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:04:51,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:51,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:04:51,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:04:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:04:51,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:51,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095605986] [2022-10-16 16:04:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:52,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:52,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095605986] [2022-10-16 16:04:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095605986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:52,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:52,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:04:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350661097] [2022-10-16 16:04:52,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:52,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:04:52,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:52,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:04:52,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:52,329 INFO L87 Difference]: Start difference. First operand has 3087 states, 2086 states have (on average 1.9415148609779482) internal successors, (4050), 3086 states have internal predecessors, (4050), 0 states have call successors, (0), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:52,450 INFO L93 Difference]: Finished difference Result 3090 states and 4052 transitions. [2022-10-16 16:04:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:04:52,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:04:52,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:52,494 INFO L225 Difference]: With dead ends: 3090 [2022-10-16 16:04:52,494 INFO L226 Difference]: Without dead ends: 3074 [2022-10-16 16:04:52,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:52,509 INFO L413 NwaCegarLoop]: 4033 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4033 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:52,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4033 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:52,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3074 states. [2022-10-16 16:04:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3074 to 3074. [2022-10-16 16:04:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 2084 states have (on average 1.626679462571977) internal successors, (3390), 3073 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 3390 transitions. [2022-10-16 16:04:52,690 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 3390 transitions. Word has length 4 [2022-10-16 16:04:52,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:52,691 INFO L495 AbstractCegarLoop]: Abstraction has 3074 states and 3390 transitions. [2022-10-16 16:04:52,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3390 transitions. [2022-10-16 16:04:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:04:52,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:52,696 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] [2022-10-16 16:04:52,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:04:52,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr550ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:04:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash 210438084, now seen corresponding path program 1 times [2022-10-16 16:04:52,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:52,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977595625] [2022-10-16 16:04:52,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:53,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:53,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977595625] [2022-10-16 16:04:53,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977595625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:53,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:53,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:53,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137877927] [2022-10-16 16:04:53,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:53,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:53,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:53,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:53,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:53,011 INFO L87 Difference]: Start difference. First operand 3074 states and 3390 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:55,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:55,480 INFO L93 Difference]: Finished difference Result 3284 states and 3698 transitions. [2022-10-16 16:04:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:04:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 16:04:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:55,498 INFO L225 Difference]: With dead ends: 3284 [2022-10-16 16:04:55,499 INFO L226 Difference]: Without dead ends: 3134 [2022-10-16 16:04:55,502 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 [2022-10-16 16:04:55,504 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 6004 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6004 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 2453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:55,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6004 Valid, 1902 Invalid, 2453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2285 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:04:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2022-10-16 16:04:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 3020. [2022-10-16 16:04:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 2178 states have (on average 1.5583103764921946) internal successors, (3394), 3019 states have internal predecessors, (3394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3394 transitions. [2022-10-16 16:04:55,600 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3394 transitions. Word has length 46 [2022-10-16 16:04:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:55,601 INFO L495 AbstractCegarLoop]: Abstraction has 3020 states and 3394 transitions. [2022-10-16 16:04:55,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3394 transitions. [2022-10-16 16:04:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:04:55,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:55,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:55,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:04:55,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr551ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:04:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2066349897, now seen corresponding path program 1 times [2022-10-16 16:04:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:55,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14992049] [2022-10-16 16:04:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:55,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:55,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14992049] [2022-10-16 16:04:55,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14992049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:55,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:55,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:55,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489999258] [2022-10-16 16:04:55,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:55,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:55,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:55,800 INFO L87 Difference]: Start difference. First operand 3020 states and 3394 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:57,663 INFO L93 Difference]: Finished difference Result 3124 states and 3548 transitions. [2022-10-16 16:04:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:57,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:04:57,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:57,680 INFO L225 Difference]: With dead ends: 3124 [2022-10-16 16:04:57,680 INFO L226 Difference]: Without dead ends: 2964 [2022-10-16 16:04:57,682 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 [2022-10-16 16:04:57,684 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 6132 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6132 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:57,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6132 Valid, 1430 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:04:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2964 states. [2022-10-16 16:04:57,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2964 to 2956. [2022-10-16 16:04:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2272 states have (on average 1.4903169014084507) internal successors, (3386), 2955 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 3386 transitions. [2022-10-16 16:04:57,819 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 3386 transitions. Word has length 47 [2022-10-16 16:04:57,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:57,820 INFO L495 AbstractCegarLoop]: Abstraction has 2956 states and 3386 transitions. [2022-10-16 16:04:57,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:57,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3386 transitions. [2022-10-16 16:04:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:04:57,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:57,824 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] [2022-10-16 16:04:57,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:04:57,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr552ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:04:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 367666726, now seen corresponding path program 1 times [2022-10-16 16:04:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:57,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303564605] [2022-10-16 16:04:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:57,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:57,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303564605] [2022-10-16 16:04:57,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303564605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:57,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:57,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:04:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112961700] [2022-10-16 16:04:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:57,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:04:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:57,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:04:57,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:57,984 INFO L87 Difference]: Start difference. First operand 2956 states and 3386 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:00,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:00,009 INFO L93 Difference]: Finished difference Result 3168 states and 3688 transitions. [2022-10-16 16:05:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:05:00,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-16 16:05:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:00,025 INFO L225 Difference]: With dead ends: 3168 [2022-10-16 16:05:00,025 INFO L226 Difference]: Without dead ends: 3020 [2022-10-16 16:05:00,027 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 [2022-10-16 16:05:00,028 INFO L413 NwaCegarLoop]: 1402 mSDtfsCounter, 8242 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8242 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:00,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8242 Valid, 2183 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:00,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2022-10-16 16:05:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 2904. [2022-10-16 16:05:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2366 states have (on average 1.4319526627218935) internal successors, (3388), 2903 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 3388 transitions. [2022-10-16 16:05:00,123 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 3388 transitions. Word has length 48 [2022-10-16 16:05:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:00,123 INFO L495 AbstractCegarLoop]: Abstraction has 2904 states and 3388 transitions. [2022-10-16 16:05:00,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 3388 transitions. [2022-10-16 16:05:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:05:00,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:00,127 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] [2022-10-16 16:05:00,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:05:00,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr553ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1487229287, now seen corresponding path program 1 times [2022-10-16 16:05:00,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:00,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506314688] [2022-10-16 16:05:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:00,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:00,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:00,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506314688] [2022-10-16 16:05:00,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506314688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:00,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:00,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:00,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897307012] [2022-10-16 16:05:00,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:00,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:00,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:00,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:00,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:00,280 INFO L87 Difference]: Start difference. First operand 2904 states and 3388 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:02,100 INFO L93 Difference]: Finished difference Result 3014 states and 3540 transitions. [2022-10-16 16:05:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 16:05:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:02,115 INFO L225 Difference]: With dead ends: 3014 [2022-10-16 16:05:02,115 INFO L226 Difference]: Without dead ends: 2859 [2022-10-16 16:05:02,116 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 [2022-10-16 16:05:02,118 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 8354 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8354 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:02,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8354 Valid, 1666 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:02,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-10-16 16:05:02,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2845. [2022-10-16 16:05:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 2460 states have (on average 1.3743902439024391) internal successors, (3381), 2844 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 3381 transitions. [2022-10-16 16:05:02,217 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 3381 transitions. Word has length 49 [2022-10-16 16:05:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:02,217 INFO L495 AbstractCegarLoop]: Abstraction has 2845 states and 3381 transitions. [2022-10-16 16:05:02,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3381 transitions. [2022-10-16 16:05:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:05:02,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:02,220 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] [2022-10-16 16:05:02,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:05:02,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr554ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:02,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1140536456, now seen corresponding path program 1 times [2022-10-16 16:05:02,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:02,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410642250] [2022-10-16 16:05:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:02,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:02,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410642250] [2022-10-16 16:05:02,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410642250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:02,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:02,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643514831] [2022-10-16 16:05:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:02,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:02,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:02,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:02,378 INFO L87 Difference]: Start difference. First operand 2845 states and 3381 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:04,397 INFO L93 Difference]: Finished difference Result 3629 states and 4579 transitions. [2022-10-16 16:05:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:05:04,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:05:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:04,415 INFO L225 Difference]: With dead ends: 3629 [2022-10-16 16:05:04,415 INFO L226 Difference]: Without dead ends: 3002 [2022-10-16 16:05:04,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:05:04,423 INFO L413 NwaCegarLoop]: 1398 mSDtfsCounter, 10002 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10002 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:04,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10002 Valid, 2462 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:04,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3002 states. [2022-10-16 16:05:04,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3002 to 2794. [2022-10-16 16:05:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2554 states have (on average 1.3226311667971808) internal successors, (3378), 2793 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 3378 transitions. [2022-10-16 16:05:04,534 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 3378 transitions. Word has length 50 [2022-10-16 16:05:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:04,534 INFO L495 AbstractCegarLoop]: Abstraction has 2794 states and 3378 transitions. [2022-10-16 16:05:04,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3378 transitions. [2022-10-16 16:05:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:05:04,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:04,540 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] [2022-10-16 16:05:04,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:05:04,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr555ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:04,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:04,541 INFO L85 PathProgramCache]: Analyzing trace with hash 996895867, now seen corresponding path program 1 times [2022-10-16 16:05:04,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:04,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064239944] [2022-10-16 16:05:04,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:04,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:04,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064239944] [2022-10-16 16:05:04,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064239944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:04,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:04,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:04,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278169136] [2022-10-16 16:05:04,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:04,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:04,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:04,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:04,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:04,722 INFO L87 Difference]: Start difference. First operand 2794 states and 3378 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:06,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:06,602 INFO L93 Difference]: Finished difference Result 3204 states and 3986 transitions. [2022-10-16 16:05:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:05:06,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:05:06,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:06,619 INFO L225 Difference]: With dead ends: 3204 [2022-10-16 16:05:06,620 INFO L226 Difference]: Without dead ends: 3053 [2022-10-16 16:05:06,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:05:06,623 INFO L413 NwaCegarLoop]: 1239 mSDtfsCounter, 10279 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10279 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:06,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10279 Valid, 2175 Invalid, 2011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:06,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-10-16 16:05:06,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3025. [2022-10-16 16:05:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 2934 states have (on average 1.303680981595092) internal successors, (3825), 3024 states have internal predecessors, (3825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 3825 transitions. [2022-10-16 16:05:06,791 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 3825 transitions. Word has length 51 [2022-10-16 16:05:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:06,792 INFO L495 AbstractCegarLoop]: Abstraction has 3025 states and 3825 transitions. [2022-10-16 16:05:06,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3825 transitions. [2022-10-16 16:05:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:05:06,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:06,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:06,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:05:06,798 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:06,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:06,799 INFO L85 PathProgramCache]: Analyzing trace with hash 544966615, now seen corresponding path program 1 times [2022-10-16 16:05:06,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:06,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589711268] [2022-10-16 16:05:06,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:07,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:07,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589711268] [2022-10-16 16:05:07,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589711268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:07,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:07,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:07,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264912400] [2022-10-16 16:05:07,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:07,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:07,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:07,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:07,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:07,015 INFO L87 Difference]: Start difference. First operand 3025 states and 3825 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:08,774 INFO L93 Difference]: Finished difference Result 3417 states and 4425 transitions. [2022-10-16 16:05:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:08,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:05:08,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:08,792 INFO L225 Difference]: With dead ends: 3417 [2022-10-16 16:05:08,792 INFO L226 Difference]: Without dead ends: 3410 [2022-10-16 16:05:08,794 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 [2022-10-16 16:05:08,794 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2341 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:08,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2341 Valid, 2936 Invalid, 2539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-10-16 16:05:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3208. [2022-10-16 16:05:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3122 states have (on average 1.319026265214606) internal successors, (4118), 3207 states have internal predecessors, (4118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4118 transitions. [2022-10-16 16:05:08,940 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4118 transitions. Word has length 73 [2022-10-16 16:05:08,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:08,940 INFO L495 AbstractCegarLoop]: Abstraction has 3208 states and 4118 transitions. [2022-10-16 16:05:08,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4118 transitions. [2022-10-16 16:05:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:05:08,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:08,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:08,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:05:08,946 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash -2115632193, now seen corresponding path program 1 times [2022-10-16 16:05:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:08,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425039648] [2022-10-16 16:05:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:09,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:09,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425039648] [2022-10-16 16:05:09,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425039648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:09,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:09,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:09,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172285354] [2022-10-16 16:05:09,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:09,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:09,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:09,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:09,096 INFO L87 Difference]: Start difference. First operand 3208 states and 4118 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:10,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:10,769 INFO L93 Difference]: Finished difference Result 3602 states and 4718 transitions. [2022-10-16 16:05:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:10,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:05:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:10,787 INFO L225 Difference]: With dead ends: 3602 [2022-10-16 16:05:10,787 INFO L226 Difference]: Without dead ends: 3595 [2022-10-16 16:05:10,789 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 [2022-10-16 16:05:10,790 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 2476 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:10,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 2807 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:05:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2022-10-16 16:05:10,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3579. [2022-10-16 16:05:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 3498 states have (on average 1.346197827329903) internal successors, (4709), 3578 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4709 transitions. [2022-10-16 16:05:10,949 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4709 transitions. Word has length 73 [2022-10-16 16:05:10,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:10,949 INFO L495 AbstractCegarLoop]: Abstraction has 3579 states and 4709 transitions. [2022-10-16 16:05:10,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:10,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4709 transitions. [2022-10-16 16:05:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:05:10,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:10,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:10,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:05:10,955 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:10,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:10,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1160087502, now seen corresponding path program 1 times [2022-10-16 16:05:10,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:10,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886637955] [2022-10-16 16:05:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:10,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:11,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:11,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886637955] [2022-10-16 16:05:11,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886637955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:11,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:11,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:11,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797255006] [2022-10-16 16:05:11,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:11,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:11,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:11,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:11,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:11,103 INFO L87 Difference]: Start difference. First operand 3579 states and 4709 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:12,792 INFO L93 Difference]: Finished difference Result 3587 states and 4709 transitions. [2022-10-16 16:05:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:12,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:05:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:12,803 INFO L225 Difference]: With dead ends: 3587 [2022-10-16 16:05:12,803 INFO L226 Difference]: Without dead ends: 3580 [2022-10-16 16:05:12,804 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 [2022-10-16 16:05:12,805 INFO L413 NwaCegarLoop]: 1355 mSDtfsCounter, 2785 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 2493 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:12,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 2493 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:05:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2022-10-16 16:05:12,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3572. [2022-10-16 16:05:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3498 states have (on average 1.3424814179531162) internal successors, (4696), 3571 states have internal predecessors, (4696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4696 transitions. [2022-10-16 16:05:12,971 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4696 transitions. Word has length 74 [2022-10-16 16:05:12,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:12,971 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 4696 transitions. [2022-10-16 16:05:12,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4696 transitions. [2022-10-16 16:05:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:05:12,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:12,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:12,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:05:12,978 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1365138521, now seen corresponding path program 1 times [2022-10-16 16:05:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:12,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342406539] [2022-10-16 16:05:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:13,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:13,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342406539] [2022-10-16 16:05:13,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342406539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:13,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:13,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:13,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421315882] [2022-10-16 16:05:13,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:13,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:13,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:13,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:13,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:13,152 INFO L87 Difference]: Start difference. First operand 3572 states and 4696 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:14,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:14,957 INFO L93 Difference]: Finished difference Result 3588 states and 4696 transitions. [2022-10-16 16:05:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:14,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:05:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:14,966 INFO L225 Difference]: With dead ends: 3588 [2022-10-16 16:05:14,967 INFO L226 Difference]: Without dead ends: 3584 [2022-10-16 16:05:14,968 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 [2022-10-16 16:05:14,969 INFO L413 NwaCegarLoop]: 1512 mSDtfsCounter, 4649 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4649 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:14,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4649 Valid, 3075 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:14,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2022-10-16 16:05:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3476. [2022-10-16 16:05:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 3404 states have (on average 1.335487661574618) internal successors, (4546), 3475 states have internal predecessors, (4546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4546 transitions. [2022-10-16 16:05:15,165 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4546 transitions. Word has length 75 [2022-10-16 16:05:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:15,165 INFO L495 AbstractCegarLoop]: Abstraction has 3476 states and 4546 transitions. [2022-10-16 16:05:15,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4546 transitions. [2022-10-16 16:05:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:05:15,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:15,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:15,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:05:15,171 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:15,171 INFO L85 PathProgramCache]: Analyzing trace with hash -273067079, now seen corresponding path program 1 times [2022-10-16 16:05:15,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:15,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424818196] [2022-10-16 16:05:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:15,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:15,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424818196] [2022-10-16 16:05:15,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424818196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:15,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:15,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:15,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464457893] [2022-10-16 16:05:15,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:15,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:15,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:15,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:15,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:15,335 INFO L87 Difference]: Start difference. First operand 3476 states and 4546 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:17,163 INFO L93 Difference]: Finished difference Result 3776 states and 4988 transitions. [2022-10-16 16:05:17,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:17,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:05:17,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:17,172 INFO L225 Difference]: With dead ends: 3776 [2022-10-16 16:05:17,172 INFO L226 Difference]: Without dead ends: 3772 [2022-10-16 16:05:17,174 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 [2022-10-16 16:05:17,175 INFO L413 NwaCegarLoop]: 1512 mSDtfsCounter, 4673 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4673 SdHoareTripleChecker+Valid, 3064 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:17,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4673 Valid, 3064 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:17,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-10-16 16:05:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3756. [2022-10-16 16:05:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3756 states, 3686 states have (on average 1.3516006511123169) internal successors, (4982), 3755 states have internal predecessors, (4982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 4982 transitions. [2022-10-16 16:05:17,352 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 4982 transitions. Word has length 75 [2022-10-16 16:05:17,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:17,352 INFO L495 AbstractCegarLoop]: Abstraction has 3756 states and 4982 transitions. [2022-10-16 16:05:17,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4982 transitions. [2022-10-16 16:05:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:05:17,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:17,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:17,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:05:17,358 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:17,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash -68234324, now seen corresponding path program 1 times [2022-10-16 16:05:17,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:17,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814284462] [2022-10-16 16:05:17,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:17,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:17,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814284462] [2022-10-16 16:05:17,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814284462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:17,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:17,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:17,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082254800] [2022-10-16 16:05:17,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:17,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:17,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:17,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:17,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:17,501 INFO L87 Difference]: Start difference. First operand 3756 states and 4982 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:19,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:19,304 INFO L93 Difference]: Finished difference Result 3962 states and 5284 transitions. [2022-10-16 16:05:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:19,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:05:19,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:19,313 INFO L225 Difference]: With dead ends: 3962 [2022-10-16 16:05:19,313 INFO L226 Difference]: Without dead ends: 3955 [2022-10-16 16:05:19,315 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 [2022-10-16 16:05:19,328 INFO L413 NwaCegarLoop]: 2567 mSDtfsCounter, 498 mSDsluCounter, 2451 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 5018 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:19,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 5018 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:19,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2022-10-16 16:05:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3751. [2022-10-16 16:05:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 3686 states have (on average 1.3480737927292459) internal successors, (4969), 3750 states have internal predecessors, (4969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 4969 transitions. [2022-10-16 16:05:19,517 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 4969 transitions. Word has length 75 [2022-10-16 16:05:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:19,518 INFO L495 AbstractCegarLoop]: Abstraction has 3751 states and 4969 transitions. [2022-10-16 16:05:19,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 4969 transitions. [2022-10-16 16:05:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:05:19,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:19,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:19,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:05:19,524 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:19,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1602973151, now seen corresponding path program 1 times [2022-10-16 16:05:19,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:19,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245815230] [2022-10-16 16:05:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:19,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245815230] [2022-10-16 16:05:19,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245815230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:19,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:19,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:19,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078178909] [2022-10-16 16:05:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:19,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:19,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:19,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:19,688 INFO L87 Difference]: Start difference. First operand 3751 states and 4969 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:21,668 INFO L93 Difference]: Finished difference Result 4145 states and 5565 transitions. [2022-10-16 16:05:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:21,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:05:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:21,677 INFO L225 Difference]: With dead ends: 4145 [2022-10-16 16:05:21,677 INFO L226 Difference]: Without dead ends: 4141 [2022-10-16 16:05:21,678 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 [2022-10-16 16:05:21,679 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 4660 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4660 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:21,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4660 Valid, 3165 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:05:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4141 states. [2022-10-16 16:05:21,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4141 to 3937. [2022-10-16 16:05:21,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3937 states, 3874 states have (on average 1.3580278781621065) internal successors, (5261), 3936 states have internal predecessors, (5261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 3937 states and 5261 transitions. [2022-10-16 16:05:21,870 INFO L78 Accepts]: Start accepts. Automaton has 3937 states and 5261 transitions. Word has length 75 [2022-10-16 16:05:21,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:21,871 INFO L495 AbstractCegarLoop]: Abstraction has 3937 states and 5261 transitions. [2022-10-16 16:05:21,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3937 states and 5261 transitions. [2022-10-16 16:05:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:05:21,876 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:21,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:21,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:05:21,876 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:21,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash 124855960, now seen corresponding path program 1 times [2022-10-16 16:05:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:21,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071387475] [2022-10-16 16:05:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:22,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:22,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071387475] [2022-10-16 16:05:22,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071387475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:22,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:22,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:22,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12890496] [2022-10-16 16:05:22,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:22,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:22,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:22,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:22,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:22,031 INFO L87 Difference]: Start difference. First operand 3937 states and 5261 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:23,906 INFO L93 Difference]: Finished difference Result 4707 states and 6453 transitions. [2022-10-16 16:05:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:23,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:05:23,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:23,916 INFO L225 Difference]: With dead ends: 4707 [2022-10-16 16:05:23,916 INFO L226 Difference]: Without dead ends: 4703 [2022-10-16 16:05:23,919 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 [2022-10-16 16:05:23,920 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 5084 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5084 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:23,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5084 Valid, 2677 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:23,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4703 states. [2022-10-16 16:05:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4703 to 4499. [2022-10-16 16:05:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4499 states, 4438 states have (on average 1.3846327174402884) internal successors, (6145), 4498 states have internal predecessors, (6145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4499 states to 4499 states and 6145 transitions. [2022-10-16 16:05:24,218 INFO L78 Accepts]: Start accepts. Automaton has 4499 states and 6145 transitions. Word has length 76 [2022-10-16 16:05:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:24,218 INFO L495 AbstractCegarLoop]: Abstraction has 4499 states and 6145 transitions. [2022-10-16 16:05:24,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 6145 transitions. [2022-10-16 16:05:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:05:24,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:24,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:24,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:05:24,224 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:24,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:24,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1847440916, now seen corresponding path program 1 times [2022-10-16 16:05:24,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:24,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122913575] [2022-10-16 16:05:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:24,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:24,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122913575] [2022-10-16 16:05:24,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122913575] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:24,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:24,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:24,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248625066] [2022-10-16 16:05:24,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:24,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:24,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:24,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:24,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:24,382 INFO L87 Difference]: Start difference. First operand 4499 states and 6145 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:26,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:26,195 INFO L93 Difference]: Finished difference Result 5271 states and 7345 transitions. [2022-10-16 16:05:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:05:26,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:26,207 INFO L225 Difference]: With dead ends: 5271 [2022-10-16 16:05:26,207 INFO L226 Difference]: Without dead ends: 5264 [2022-10-16 16:05:26,209 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 [2022-10-16 16:05:26,210 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 5101 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:26,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 2670 Invalid, 2478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2022-10-16 16:05:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5246. [2022-10-16 16:05:26,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 5190 states have (on average 1.4104046242774566) internal successors, (7320), 5245 states have internal predecessors, (7320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7320 transitions. [2022-10-16 16:05:26,583 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7320 transitions. Word has length 76 [2022-10-16 16:05:26,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:26,584 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7320 transitions. [2022-10-16 16:05:26,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7320 transitions. [2022-10-16 16:05:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:26,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:26,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:26,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:05:26,590 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1196937227, now seen corresponding path program 1 times [2022-10-16 16:05:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518494703] [2022-10-16 16:05:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:26,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:26,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518494703] [2022-10-16 16:05:26,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518494703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:26,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:26,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:26,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596106202] [2022-10-16 16:05:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:26,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:26,769 INFO L87 Difference]: Start difference. First operand 5246 states and 7320 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:28,693 INFO L93 Difference]: Finished difference Result 8368 states and 12192 transitions. [2022-10-16 16:05:28,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:05:28,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:28,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:28,703 INFO L225 Difference]: With dead ends: 8368 [2022-10-16 16:05:28,703 INFO L226 Difference]: Without dead ends: 5255 [2022-10-16 16:05:28,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:28,710 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 6991 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6991 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:28,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6991 Valid, 3343 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2740 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:05:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5255 states. [2022-10-16 16:05:29,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5255 to 5245. [2022-10-16 16:05:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 5190 states have (on average 1.4096339113680154) internal successors, (7316), 5244 states have internal predecessors, (7316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:29,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7316 transitions. [2022-10-16 16:05:29,041 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7316 transitions. Word has length 77 [2022-10-16 16:05:29,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:29,041 INFO L495 AbstractCegarLoop]: Abstraction has 5245 states and 7316 transitions. [2022-10-16 16:05:29,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7316 transitions. [2022-10-16 16:05:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:29,047 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:29,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:29,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:05:29,048 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:29,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1933070679, now seen corresponding path program 1 times [2022-10-16 16:05:29,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:29,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302627700] [2022-10-16 16:05:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:29,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:29,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302627700] [2022-10-16 16:05:29,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302627700] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:29,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:29,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:29,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153240765] [2022-10-16 16:05:29,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:29,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:29,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:29,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:29,236 INFO L87 Difference]: Start difference. First operand 5245 states and 7316 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:31,423 INFO L93 Difference]: Finished difference Result 8087 states and 11754 transitions. [2022-10-16 16:05:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:31,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:31,428 INFO L225 Difference]: With dead ends: 8087 [2022-10-16 16:05:31,428 INFO L226 Difference]: Without dead ends: 5444 [2022-10-16 16:05:31,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:31,432 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 6990 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 2983 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6990 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 2990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:31,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6990 Valid, 3480 Invalid, 2990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2983 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2022-10-16 16:05:31,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 5432. [2022-10-16 16:05:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5432 states, 5378 states have (on average 1.412978802528821) internal successors, (7599), 5431 states have internal predecessors, (7599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7599 transitions. [2022-10-16 16:05:31,744 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7599 transitions. Word has length 77 [2022-10-16 16:05:31,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:31,744 INFO L495 AbstractCegarLoop]: Abstraction has 5432 states and 7599 transitions. [2022-10-16 16:05:31,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7599 transitions. [2022-10-16 16:05:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:31,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:31,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:31,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:05:31,750 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:31,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:31,750 INFO L85 PathProgramCache]: Analyzing trace with hash -424431717, now seen corresponding path program 1 times [2022-10-16 16:05:31,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:31,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844962947] [2022-10-16 16:05:31,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:31,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:31,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844962947] [2022-10-16 16:05:31,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844962947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:31,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:31,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:31,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186272759] [2022-10-16 16:05:31,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:31,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:31,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:31,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:31,917 INFO L87 Difference]: Start difference. First operand 5432 states and 7599 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:34,226 INFO L93 Difference]: Finished difference Result 8274 states and 12037 transitions. [2022-10-16 16:05:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:34,232 INFO L225 Difference]: With dead ends: 8274 [2022-10-16 16:05:34,232 INFO L226 Difference]: Without dead ends: 5631 [2022-10-16 16:05:34,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:34,238 INFO L413 NwaCegarLoop]: 1502 mSDtfsCounter, 7008 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 3449 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:34,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7008 Valid, 3449 Invalid, 2991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2984 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:05:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2022-10-16 16:05:34,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5619. [2022-10-16 16:05:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 5566 states have (on average 1.4160977362558391) internal successors, (7882), 5618 states have internal predecessors, (7882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 7882 transitions. [2022-10-16 16:05:34,552 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 7882 transitions. Word has length 77 [2022-10-16 16:05:34,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:34,553 INFO L495 AbstractCegarLoop]: Abstraction has 5619 states and 7882 transitions. [2022-10-16 16:05:34,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 7882 transitions. [2022-10-16 16:05:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:34,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:34,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:34,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:05:34,558 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:34,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:34,558 INFO L85 PathProgramCache]: Analyzing trace with hash -953159518, now seen corresponding path program 1 times [2022-10-16 16:05:34,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:34,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655336779] [2022-10-16 16:05:34,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:34,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:34,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655336779] [2022-10-16 16:05:34,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655336779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:34,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:34,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:34,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085911814] [2022-10-16 16:05:34,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:34,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:34,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:34,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:34,728 INFO L87 Difference]: Start difference. First operand 5619 states and 7882 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:37,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:37,111 INFO L93 Difference]: Finished difference Result 5823 states and 8176 transitions. [2022-10-16 16:05:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:37,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:37,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:37,118 INFO L225 Difference]: With dead ends: 5823 [2022-10-16 16:05:37,119 INFO L226 Difference]: Without dead ends: 5818 [2022-10-16 16:05:37,120 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 [2022-10-16 16:05:37,121 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 2467 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 3730 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 4372 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:37,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 4372 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3730 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:05:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2022-10-16 16:05:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5616. [2022-10-16 16:05:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 5566 states have (on average 1.4148401006108515) internal successors, (7875), 5615 states have internal predecessors, (7875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 7875 transitions. [2022-10-16 16:05:37,449 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 7875 transitions. Word has length 77 [2022-10-16 16:05:37,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:37,449 INFO L495 AbstractCegarLoop]: Abstraction has 5616 states and 7875 transitions. [2022-10-16 16:05:37,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 7875 transitions. [2022-10-16 16:05:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:37,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:37,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:37,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:05:37,454 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:37,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1148636082, now seen corresponding path program 1 times [2022-10-16 16:05:37,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:37,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151471635] [2022-10-16 16:05:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:37,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:37,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151471635] [2022-10-16 16:05:37,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151471635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:37,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:37,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381631620] [2022-10-16 16:05:37,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:37,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:37,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:37,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:37,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:37,619 INFO L87 Difference]: Start difference. First operand 5616 states and 7875 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:39,787 INFO L93 Difference]: Finished difference Result 6390 states and 9063 transitions. [2022-10-16 16:05:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:39,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:39,794 INFO L225 Difference]: With dead ends: 6390 [2022-10-16 16:05:39,794 INFO L226 Difference]: Without dead ends: 6385 [2022-10-16 16:05:39,795 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 [2022-10-16 16:05:39,796 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 2633 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 3125 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 4470 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:39,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 4470 Invalid, 3133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3125 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2022-10-16 16:05:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 6365. [2022-10-16 16:05:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6365 states, 6318 states have (on average 1.4327318771763216) internal successors, (9052), 6364 states have internal predecessors, (9052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6365 states to 6365 states and 9052 transitions. [2022-10-16 16:05:40,121 INFO L78 Accepts]: Start accepts. Automaton has 6365 states and 9052 transitions. Word has length 77 [2022-10-16 16:05:40,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:40,122 INFO L495 AbstractCegarLoop]: Abstraction has 6365 states and 9052 transitions. [2022-10-16 16:05:40,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 6365 states and 9052 transitions. [2022-10-16 16:05:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:40,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:40,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:40,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:05:40,127 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:40,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:40,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1436094595, now seen corresponding path program 1 times [2022-10-16 16:05:40,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:40,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394245561] [2022-10-16 16:05:40,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:40,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:40,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:40,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394245561] [2022-10-16 16:05:40,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394245561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:40,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:40,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:40,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284586923] [2022-10-16 16:05:40,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:40,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:40,293 INFO L87 Difference]: Start difference. First operand 6365 states and 9052 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:42,422 INFO L93 Difference]: Finished difference Result 8829 states and 12878 transitions. [2022-10-16 16:05:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:42,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:42,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:42,433 INFO L225 Difference]: With dead ends: 8829 [2022-10-16 16:05:42,433 INFO L226 Difference]: Without dead ends: 6940 [2022-10-16 16:05:42,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:42,438 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 7074 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7074 SdHoareTripleChecker+Valid, 3272 SdHoareTripleChecker+Invalid, 2740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:42,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7074 Valid, 3272 Invalid, 2740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2733 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:05:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2022-10-16 16:05:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 6552. [2022-10-16 16:05:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6506 states have (on average 1.4348293882569936) internal successors, (9335), 6551 states have internal predecessors, (9335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 9335 transitions. [2022-10-16 16:05:42,725 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 9335 transitions. Word has length 77 [2022-10-16 16:05:42,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:42,725 INFO L495 AbstractCegarLoop]: Abstraction has 6552 states and 9335 transitions. [2022-10-16 16:05:42,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 9335 transitions. [2022-10-16 16:05:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:05:42,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:42,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:42,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:05:42,729 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:42,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:42,729 INFO L85 PathProgramCache]: Analyzing trace with hash 907366794, now seen corresponding path program 1 times [2022-10-16 16:05:42,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:42,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937550831] [2022-10-16 16:05:42,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:42,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937550831] [2022-10-16 16:05:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937550831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:42,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:42,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:42,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918850496] [2022-10-16 16:05:42,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:42,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:42,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:42,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:42,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:42,888 INFO L87 Difference]: Start difference. First operand 6552 states and 9335 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:44,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:44,689 INFO L93 Difference]: Finished difference Result 7132 states and 10217 transitions. [2022-10-16 16:05:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:44,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:05:44,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:44,701 INFO L225 Difference]: With dead ends: 7132 [2022-10-16 16:05:44,701 INFO L226 Difference]: Without dead ends: 7127 [2022-10-16 16:05:44,702 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 [2022-10-16 16:05:44,703 INFO L413 NwaCegarLoop]: 1613 mSDtfsCounter, 2618 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2618 SdHoareTripleChecker+Valid, 3072 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:44,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2618 Valid, 3072 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:05:44,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7127 states. [2022-10-16 16:05:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7127 to 7113. [2022-10-16 16:05:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7113 states, 7070 states have (on average 1.4435643564356435) internal successors, (10206), 7112 states have internal predecessors, (10206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7113 states to 7113 states and 10206 transitions. [2022-10-16 16:05:45,011 INFO L78 Accepts]: Start accepts. Automaton has 7113 states and 10206 transitions. Word has length 77 [2022-10-16 16:05:45,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:45,012 INFO L495 AbstractCegarLoop]: Abstraction has 7113 states and 10206 transitions. [2022-10-16 16:05:45,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 7113 states and 10206 transitions. [2022-10-16 16:05:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:05:45,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:45,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:45,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:05:45,015 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:45,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash 204351809, now seen corresponding path program 1 times [2022-10-16 16:05:45,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:45,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542927875] [2022-10-16 16:05:45,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:45,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:45,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:45,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542927875] [2022-10-16 16:05:45,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542927875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:45,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:45,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:45,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079517955] [2022-10-16 16:05:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:45,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:45,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:45,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:45,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:45,178 INFO L87 Difference]: Start difference. First operand 7113 states and 10206 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:47,396 INFO L93 Difference]: Finished difference Result 8827 states and 12840 transitions. [2022-10-16 16:05:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:47,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:05:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:47,409 INFO L225 Difference]: With dead ends: 8827 [2022-10-16 16:05:47,409 INFO L226 Difference]: Without dead ends: 8824 [2022-10-16 16:05:47,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:47,413 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 7437 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:47,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7437 Valid, 2888 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:05:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2022-10-16 16:05:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8240. [2022-10-16 16:05:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8240 states, 8198 states have (on average 1.459624298609417) internal successors, (11966), 8239 states have internal predecessors, (11966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8240 states to 8240 states and 11966 transitions. [2022-10-16 16:05:47,856 INFO L78 Accepts]: Start accepts. Automaton has 8240 states and 11966 transitions. Word has length 78 [2022-10-16 16:05:47,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:47,857 INFO L495 AbstractCegarLoop]: Abstraction has 8240 states and 11966 transitions. [2022-10-16 16:05:47,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 8240 states and 11966 transitions. [2022-10-16 16:05:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:05:47,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:47,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:47,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:05:47,862 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:47,862 INFO L85 PathProgramCache]: Analyzing trace with hash -272480518, now seen corresponding path program 1 times [2022-10-16 16:05:47,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:47,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392995662] [2022-10-16 16:05:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:48,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:48,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392995662] [2022-10-16 16:05:48,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392995662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:48,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:48,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:48,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639778493] [2022-10-16 16:05:48,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:48,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:48,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:48,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:48,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:48,067 INFO L87 Difference]: Start difference. First operand 8240 states and 11966 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:50,527 INFO L93 Difference]: Finished difference Result 10616 states and 15638 transitions. [2022-10-16 16:05:50,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:50,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:05:50,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:50,539 INFO L225 Difference]: With dead ends: 10616 [2022-10-16 16:05:50,539 INFO L226 Difference]: Without dead ends: 10612 [2022-10-16 16:05:50,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:50,542 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 7405 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7405 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:50,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7405 Valid, 3017 Invalid, 2749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:50,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10612 states. [2022-10-16 16:05:51,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10612 to 9742. [2022-10-16 16:05:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9742 states, 9702 states have (on average 1.4756751185322614) internal successors, (14317), 9741 states have internal predecessors, (14317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9742 states to 9742 states and 14317 transitions. [2022-10-16 16:05:51,119 INFO L78 Accepts]: Start accepts. Automaton has 9742 states and 14317 transitions. Word has length 78 [2022-10-16 16:05:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:51,120 INFO L495 AbstractCegarLoop]: Abstraction has 9742 states and 14317 transitions. [2022-10-16 16:05:51,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 9742 states and 14317 transitions. [2022-10-16 16:05:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:05:51,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:51,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:51,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:05:51,124 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1416116876, now seen corresponding path program 1 times [2022-10-16 16:05:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:51,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265129867] [2022-10-16 16:05:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:51,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:51,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265129867] [2022-10-16 16:05:51,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265129867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:51,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:51,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:51,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283348689] [2022-10-16 16:05:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:51,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:51,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:51,280 INFO L87 Difference]: Start difference. First operand 9742 states and 14317 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:53,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:53,423 INFO L93 Difference]: Finished difference Result 10892 states and 16091 transitions. [2022-10-16 16:05:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:53,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:05:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:53,434 INFO L225 Difference]: With dead ends: 10892 [2022-10-16 16:05:53,435 INFO L226 Difference]: Without dead ends: 10886 [2022-10-16 16:05:53,436 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 [2022-10-16 16:05:53,437 INFO L413 NwaCegarLoop]: 2676 mSDtfsCounter, 680 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 5275 SdHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:53,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 5275 Invalid, 2479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:05:53,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-10-16 16:05:54,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 10210. [2022-10-16 16:05:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10210 states, 10172 states have (on average 1.4749311836413685) internal successors, (15003), 10209 states have internal predecessors, (15003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10210 states to 10210 states and 15003 transitions. [2022-10-16 16:05:54,045 INFO L78 Accepts]: Start accepts. Automaton has 10210 states and 15003 transitions. Word has length 78 [2022-10-16 16:05:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:54,045 INFO L495 AbstractCegarLoop]: Abstraction has 10210 states and 15003 transitions. [2022-10-16 16:05:54,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10210 states and 15003 transitions. [2022-10-16 16:05:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:05:54,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:54,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:54,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:05:54,050 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:54,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1247978925, now seen corresponding path program 1 times [2022-10-16 16:05:54,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:54,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185282621] [2022-10-16 16:05:54,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:54,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185282621] [2022-10-16 16:05:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185282621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:54,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:54,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031695011] [2022-10-16 16:05:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:54,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:54,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:54,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:54,205 INFO L87 Difference]: Start difference. First operand 10210 states and 15003 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:56,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:56,168 INFO L93 Difference]: Finished difference Result 10224 states and 15003 transitions. [2022-10-16 16:05:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:56,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:05:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:56,179 INFO L225 Difference]: With dead ends: 10224 [2022-10-16 16:05:56,179 INFO L226 Difference]: Without dead ends: 10219 [2022-10-16 16:05:56,181 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 [2022-10-16 16:05:56,182 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 2764 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:56,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 3106 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2082 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:05:56,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10219 states. [2022-10-16 16:05:56,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10219 to 9643. [2022-10-16 16:05:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9643 states, 9608 states have (on average 1.468151540383014) internal successors, (14106), 9642 states have internal predecessors, (14106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 14106 transitions. [2022-10-16 16:05:56,773 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 14106 transitions. Word has length 78 [2022-10-16 16:05:56,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:56,773 INFO L495 AbstractCegarLoop]: Abstraction has 9643 states and 14106 transitions. [2022-10-16 16:05:56,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 14106 transitions. [2022-10-16 16:05:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:05:56,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:56,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:05:56,776 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:05:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1569260534, now seen corresponding path program 1 times [2022-10-16 16:05:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:56,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707477619] [2022-10-16 16:05:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:56,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:56,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707477619] [2022-10-16 16:05:56,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707477619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:56,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:56,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:05:56,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72792840] [2022-10-16 16:05:56,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:56,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:05:56,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:56,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:05:56,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:05:56,935 INFO L87 Difference]: Start difference. First operand 9643 states and 14106 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:59,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:59,459 INFO L93 Difference]: Finished difference Result 11457 states and 16884 transitions. [2022-10-16 16:05:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:05:59,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:05:59,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:59,474 INFO L225 Difference]: With dead ends: 11457 [2022-10-16 16:05:59,474 INFO L226 Difference]: Without dead ends: 11453 [2022-10-16 16:05:59,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:05:59,477 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 7418 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7418 SdHoareTripleChecker+Valid, 2989 SdHoareTripleChecker+Invalid, 2732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:59,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7418 Valid, 2989 Invalid, 2732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:05:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11453 states. [2022-10-16 16:06:00,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11453 to 10863. [2022-10-16 16:06:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10863 states, 10830 states have (on average 1.4776546629732226) internal successors, (16003), 10862 states have internal predecessors, (16003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:00,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10863 states to 10863 states and 16003 transitions. [2022-10-16 16:06:00,164 INFO L78 Accepts]: Start accepts. Automaton has 10863 states and 16003 transitions. Word has length 78 [2022-10-16 16:06:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:00,164 INFO L495 AbstractCegarLoop]: Abstraction has 10863 states and 16003 transitions. [2022-10-16 16:06:00,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 10863 states and 16003 transitions. [2022-10-16 16:06:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:00,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:00,167 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] [2022-10-16 16:06:00,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:06:00,168 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:00,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:00,168 INFO L85 PathProgramCache]: Analyzing trace with hash -580905049, now seen corresponding path program 1 times [2022-10-16 16:06:00,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:00,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003495229] [2022-10-16 16:06:00,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:00,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:00,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003495229] [2022-10-16 16:06:00,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003495229] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:00,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:00,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:00,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000395476] [2022-10-16 16:06:00,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:00,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:00,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:00,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:00,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:00,338 INFO L87 Difference]: Start difference. First operand 10863 states and 16003 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:02,697 INFO L93 Difference]: Finished difference Result 10967 states and 16147 transitions. [2022-10-16 16:06:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:02,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:02,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:02,710 INFO L225 Difference]: With dead ends: 10967 [2022-10-16 16:06:02,710 INFO L226 Difference]: Without dead ends: 10964 [2022-10-16 16:06:02,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:02,714 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 4737 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4737 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:02,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4737 Valid, 3452 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:06:02,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10964 states. [2022-10-16 16:06:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10964 to 10956. [2022-10-16 16:06:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10956 states, 10924 states have (on average 1.477663859392164) internal successors, (16142), 10955 states have internal predecessors, (16142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10956 states to 10956 states and 16142 transitions. [2022-10-16 16:06:03,449 INFO L78 Accepts]: Start accepts. Automaton has 10956 states and 16142 transitions. Word has length 79 [2022-10-16 16:06:03,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:03,449 INFO L495 AbstractCegarLoop]: Abstraction has 10956 states and 16142 transitions. [2022-10-16 16:06:03,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 10956 states and 16142 transitions. [2022-10-16 16:06:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:03,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:03,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:03,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:06:03,453 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:03,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:03,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1817162105, now seen corresponding path program 1 times [2022-10-16 16:06:03,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:03,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320054718] [2022-10-16 16:06:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:03,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:03,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:03,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320054718] [2022-10-16 16:06:03,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320054718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:03,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:03,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:03,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488880629] [2022-10-16 16:06:03,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:03,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:03,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:03,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:03,615 INFO L87 Difference]: Start difference. First operand 10956 states and 16142 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:06,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:06,556 INFO L93 Difference]: Finished difference Result 11060 states and 16286 transitions. [2022-10-16 16:06:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:06,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:06,569 INFO L225 Difference]: With dead ends: 11060 [2022-10-16 16:06:06,569 INFO L226 Difference]: Without dead ends: 11057 [2022-10-16 16:06:06,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:06,573 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 4771 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 3558 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 3565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:06,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 4367 Invalid, 3565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3558 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:06:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11057 states. [2022-10-16 16:06:07,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11057 to 11049. [2022-10-16 16:06:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 11018 states have (on average 1.477672898892721) internal successors, (16281), 11048 states have internal predecessors, (16281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 16281 transitions. [2022-10-16 16:06:07,299 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 16281 transitions. Word has length 79 [2022-10-16 16:06:07,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:07,299 INFO L495 AbstractCegarLoop]: Abstraction has 11049 states and 16281 transitions. [2022-10-16 16:06:07,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 16281 transitions. [2022-10-16 16:06:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:07,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:07,303 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] [2022-10-16 16:06:07,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:06:07,303 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:07,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1158233948, now seen corresponding path program 1 times [2022-10-16 16:06:07,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:07,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69595603] [2022-10-16 16:06:07,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:07,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:07,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69595603] [2022-10-16 16:06:07,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69595603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:07,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:07,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:07,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297794982] [2022-10-16 16:06:07,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:07,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:07,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:07,470 INFO L87 Difference]: Start difference. First operand 11049 states and 16281 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:10,519 INFO L93 Difference]: Finished difference Result 11629 states and 17155 transitions. [2022-10-16 16:06:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:10,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:10,530 INFO L225 Difference]: With dead ends: 11629 [2022-10-16 16:06:10,530 INFO L226 Difference]: Without dead ends: 11626 [2022-10-16 16:06:10,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:10,533 INFO L413 NwaCegarLoop]: 1612 mSDtfsCounter, 4760 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 4598 SdHoareTripleChecker+Invalid, 3938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:10,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 4598 Invalid, 3938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3931 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:06:10,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11626 states. [2022-10-16 16:06:11,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11626 to 11612. [2022-10-16 16:06:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11612 states, 11582 states have (on average 1.480400621654291) internal successors, (17146), 11611 states have internal predecessors, (17146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 11612 states and 17146 transitions. [2022-10-16 16:06:11,215 INFO L78 Accepts]: Start accepts. Automaton has 11612 states and 17146 transitions. Word has length 79 [2022-10-16 16:06:11,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:11,216 INFO L495 AbstractCegarLoop]: Abstraction has 11612 states and 17146 transitions. [2022-10-16 16:06:11,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 11612 states and 17146 transitions. [2022-10-16 16:06:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:11,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:11,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:11,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:06:11,219 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:11,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:11,220 INFO L85 PathProgramCache]: Analyzing trace with hash -32639760, now seen corresponding path program 1 times [2022-10-16 16:06:11,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:11,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337093001] [2022-10-16 16:06:11,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:11,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:11,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337093001] [2022-10-16 16:06:11,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337093001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:11,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:11,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:11,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057444062] [2022-10-16 16:06:11,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:11,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:11,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:11,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:11,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:11,426 INFO L87 Difference]: Start difference. First operand 11612 states and 17146 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:13,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:13,765 INFO L93 Difference]: Finished difference Result 12764 states and 18898 transitions. [2022-10-16 16:06:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:13,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:13,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:13,781 INFO L225 Difference]: With dead ends: 12764 [2022-10-16 16:06:13,782 INFO L226 Difference]: Without dead ends: 12761 [2022-10-16 16:06:13,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:13,788 INFO L413 NwaCegarLoop]: 1909 mSDtfsCounter, 4864 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4864 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:13,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4864 Valid, 3706 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:06:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12761 states. [2022-10-16 16:06:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12761 to 12175. [2022-10-16 16:06:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12175 states, 12146 states have (on average 1.4835336736374114) internal successors, (18019), 12174 states have internal predecessors, (18019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12175 states to 12175 states and 18019 transitions. [2022-10-16 16:06:14,585 INFO L78 Accepts]: Start accepts. Automaton has 12175 states and 18019 transitions. Word has length 79 [2022-10-16 16:06:14,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:14,586 INFO L495 AbstractCegarLoop]: Abstraction has 12175 states and 18019 transitions. [2022-10-16 16:06:14,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:14,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12175 states and 18019 transitions. [2022-10-16 16:06:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:14,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:14,589 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] [2022-10-16 16:06:14,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:06:14,589 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:14,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1218407199, now seen corresponding path program 1 times [2022-10-16 16:06:14,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:14,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730876122] [2022-10-16 16:06:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:14,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:14,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:14,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730876122] [2022-10-16 16:06:14,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730876122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:14,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:14,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:14,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525770978] [2022-10-16 16:06:14,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:14,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:14,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:14,810 INFO L87 Difference]: Start difference. First operand 12175 states and 18019 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:17,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:17,876 INFO L93 Difference]: Finished difference Result 12279 states and 18163 transitions. [2022-10-16 16:06:17,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:17,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:17,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:17,892 INFO L225 Difference]: With dead ends: 12279 [2022-10-16 16:06:17,892 INFO L226 Difference]: Without dead ends: 12276 [2022-10-16 16:06:17,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:17,904 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 4760 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 3928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:17,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 4608 Invalid, 3928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3921 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:06:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12276 states. [2022-10-16 16:06:18,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12276 to 12268. [2022-10-16 16:06:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12268 states, 12240 states have (on average 1.4836601307189543) internal successors, (18160), 12267 states have internal predecessors, (18160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12268 states to 12268 states and 18160 transitions. [2022-10-16 16:06:18,705 INFO L78 Accepts]: Start accepts. Automaton has 12268 states and 18160 transitions. Word has length 79 [2022-10-16 16:06:18,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:18,706 INFO L495 AbstractCegarLoop]: Abstraction has 12268 states and 18160 transitions. [2022-10-16 16:06:18,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:18,706 INFO L276 IsEmpty]: Start isEmpty. Operand 12268 states and 18160 transitions. [2022-10-16 16:06:18,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:06:18,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:18,709 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] [2022-10-16 16:06:18,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:06:18,709 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 101164044, now seen corresponding path program 1 times [2022-10-16 16:06:18,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:18,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676415187] [2022-10-16 16:06:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:18,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:18,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676415187] [2022-10-16 16:06:18,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676415187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:18,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:18,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:18,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729902192] [2022-10-16 16:06:18,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:18,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:18,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:18,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:18,882 INFO L87 Difference]: Start difference. First operand 12268 states and 18160 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:21,830 INFO L93 Difference]: Finished difference Result 12848 states and 19034 transitions. [2022-10-16 16:06:21,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:21,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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 [2022-10-16 16:06:21,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:21,849 INFO L225 Difference]: With dead ends: 12848 [2022-10-16 16:06:21,849 INFO L226 Difference]: Without dead ends: 12845 [2022-10-16 16:06:21,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:21,854 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 4848 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 3561 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:21,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 4352 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3561 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:06:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12845 states. [2022-10-16 16:06:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12845 to 12831. [2022-10-16 16:06:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12831 states, 12804 states have (on average 1.4858637925648235) internal successors, (19025), 12830 states have internal predecessors, (19025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12831 states to 12831 states and 19025 transitions. [2022-10-16 16:06:22,704 INFO L78 Accepts]: Start accepts. Automaton has 12831 states and 19025 transitions. Word has length 79 [2022-10-16 16:06:22,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:22,705 INFO L495 AbstractCegarLoop]: Abstraction has 12831 states and 19025 transitions. [2022-10-16 16:06:22,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 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) [2022-10-16 16:06:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 12831 states and 19025 transitions. [2022-10-16 16:06:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:06:22,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:22,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:22,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:06:22,708 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:22,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1545513116, now seen corresponding path program 1 times [2022-10-16 16:06:22,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:22,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362754167] [2022-10-16 16:06:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:22,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:22,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:22,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362754167] [2022-10-16 16:06:22,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362754167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:22,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:22,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:22,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917527640] [2022-10-16 16:06:22,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:22,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:22,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:22,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:22,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:22,867 INFO L87 Difference]: Start difference. First operand 12831 states and 19025 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:25,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:25,795 INFO L93 Difference]: Finished difference Result 22835 states and 34563 transitions. [2022-10-16 16:06:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:25,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:06:25,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:25,815 INFO L225 Difference]: With dead ends: 22835 [2022-10-16 16:06:25,815 INFO L226 Difference]: Without dead ends: 16610 [2022-10-16 16:06:25,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:25,825 INFO L413 NwaCegarLoop]: 1486 mSDtfsCounter, 5020 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 3048 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:25,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5020 Valid, 3048 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:06:25,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16610 states. [2022-10-16 16:06:26,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16610 to 14919. [2022-10-16 16:06:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14919 states, 14894 states have (on average 1.4981871894722707) internal successors, (22314), 14918 states have internal predecessors, (22314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 22314 transitions. [2022-10-16 16:06:26,898 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 22314 transitions. Word has length 80 [2022-10-16 16:06:26,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:26,899 INFO L495 AbstractCegarLoop]: Abstraction has 14919 states and 22314 transitions. [2022-10-16 16:06:26,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 22314 transitions. [2022-10-16 16:06:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:06:26,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:26,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:26,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:06:26,903 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:26,904 INFO L85 PathProgramCache]: Analyzing trace with hash -616271602, now seen corresponding path program 1 times [2022-10-16 16:06:26,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:26,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006768060] [2022-10-16 16:06:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:27,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:27,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006768060] [2022-10-16 16:06:27,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006768060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:27,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:27,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725015265] [2022-10-16 16:06:27,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:27,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:27,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:27,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:27,082 INFO L87 Difference]: Start difference. First operand 14919 states and 22314 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:29,926 INFO L93 Difference]: Finished difference Result 17389 states and 26136 transitions. [2022-10-16 16:06:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:29,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:06:29,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:29,946 INFO L225 Difference]: With dead ends: 17389 [2022-10-16 16:06:29,947 INFO L226 Difference]: Without dead ends: 17385 [2022-10-16 16:06:29,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:29,952 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 2875 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 2778 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2875 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 2788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:29,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2875 Valid, 4996 Invalid, 2788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2778 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:06:29,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17385 states. [2022-10-16 16:06:31,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17385 to 16985. [2022-10-16 16:06:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16985 states, 16962 states have (on average 1.505600754627992) internal successors, (25538), 16984 states have internal predecessors, (25538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16985 states to 16985 states and 25538 transitions. [2022-10-16 16:06:31,138 INFO L78 Accepts]: Start accepts. Automaton has 16985 states and 25538 transitions. Word has length 80 [2022-10-16 16:06:31,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:31,138 INFO L495 AbstractCegarLoop]: Abstraction has 16985 states and 25538 transitions. [2022-10-16 16:06:31,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 16985 states and 25538 transitions. [2022-10-16 16:06:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:06:31,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:31,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:31,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:06:31,142 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:31,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1011831307, now seen corresponding path program 1 times [2022-10-16 16:06:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:31,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928244143] [2022-10-16 16:06:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:31,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928244143] [2022-10-16 16:06:31,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928244143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:31,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:31,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:31,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639191701] [2022-10-16 16:06:31,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:31,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:31,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:31,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:31,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:31,299 INFO L87 Difference]: Start difference. First operand 16985 states and 25538 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:34,783 INFO L93 Difference]: Finished difference Result 25412 states and 38524 transitions. [2022-10-16 16:06:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:34,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:06:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:34,809 INFO L225 Difference]: With dead ends: 25412 [2022-10-16 16:06:34,809 INFO L226 Difference]: Without dead ends: 19776 [2022-10-16 16:06:34,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:34,820 INFO L413 NwaCegarLoop]: 1807 mSDtfsCounter, 5066 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5066 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:34,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5066 Valid, 4433 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:06:34,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2022-10-16 16:06:36,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19304. [2022-10-16 16:06:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19304 states, 19285 states have (on average 1.5112781954887218) internal successors, (29145), 19303 states have internal predecessors, (29145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19304 states to 19304 states and 29145 transitions. [2022-10-16 16:06:36,235 INFO L78 Accepts]: Start accepts. Automaton has 19304 states and 29145 transitions. Word has length 80 [2022-10-16 16:06:36,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:36,236 INFO L495 AbstractCegarLoop]: Abstraction has 19304 states and 29145 transitions. [2022-10-16 16:06:36,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 19304 states and 29145 transitions. [2022-10-16 16:06:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:06:36,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:36,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:36,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:06:36,240 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:36,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1158880800, now seen corresponding path program 1 times [2022-10-16 16:06:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:36,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392239471] [2022-10-16 16:06:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:36,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:36,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392239471] [2022-10-16 16:06:36,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392239471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:36,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:36,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:36,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708476157] [2022-10-16 16:06:36,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:36,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:36,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:36,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:36,463 INFO L87 Difference]: Start difference. First operand 19304 states and 29145 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:40,000 INFO L93 Difference]: Finished difference Result 36416 states and 55701 transitions. [2022-10-16 16:06:40,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:40,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:06:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:40,032 INFO L225 Difference]: With dead ends: 36416 [2022-10-16 16:06:40,032 INFO L226 Difference]: Without dead ends: 24472 [2022-10-16 16:06:40,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:06:40,048 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 5056 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5056 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:40,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5056 Valid, 2942 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:06:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24472 states. [2022-10-16 16:06:41,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24472 to 23461. [2022-10-16 16:06:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23461 states, 23446 states have (on average 1.5200887144928772) internal successors, (35640), 23460 states have internal predecessors, (35640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23461 states to 23461 states and 35640 transitions. [2022-10-16 16:06:41,908 INFO L78 Accepts]: Start accepts. Automaton has 23461 states and 35640 transitions. Word has length 80 [2022-10-16 16:06:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:41,909 INFO L495 AbstractCegarLoop]: Abstraction has 23461 states and 35640 transitions. [2022-10-16 16:06:41,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23461 states and 35640 transitions. [2022-10-16 16:06:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:06:41,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:41,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:41,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:06:41,912 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash 251947631, now seen corresponding path program 1 times [2022-10-16 16:06:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:41,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611208344] [2022-10-16 16:06:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:42,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:42,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611208344] [2022-10-16 16:06:42,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611208344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:42,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:42,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:42,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038731027] [2022-10-16 16:06:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:42,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:42,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:42,085 INFO L87 Difference]: Start difference. First operand 23461 states and 35640 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:45,380 INFO L93 Difference]: Finished difference Result 23729 states and 36036 transitions. [2022-10-16 16:06:45,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:45,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:06:45,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:45,409 INFO L225 Difference]: With dead ends: 23729 [2022-10-16 16:06:45,409 INFO L226 Difference]: Without dead ends: 23727 [2022-10-16 16:06:45,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:45,415 INFO L413 NwaCegarLoop]: 1689 mSDtfsCounter, 2583 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:45,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 3520 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:06:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23727 states. [2022-10-16 16:06:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23727 to 23718. [2022-10-16 16:06:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23718 states, 23704 states have (on average 1.5199544380695242) internal successors, (36029), 23717 states have internal predecessors, (36029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23718 states to 23718 states and 36029 transitions. [2022-10-16 16:06:47,431 INFO L78 Accepts]: Start accepts. Automaton has 23718 states and 36029 transitions. Word has length 81 [2022-10-16 16:06:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:47,431 INFO L495 AbstractCegarLoop]: Abstraction has 23718 states and 36029 transitions. [2022-10-16 16:06:47,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 23718 states and 36029 transitions. [2022-10-16 16:06:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:06:47,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:47,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:47,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:06:47,434 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1924549118, now seen corresponding path program 1 times [2022-10-16 16:06:47,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:47,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576263536] [2022-10-16 16:06:47,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:47,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:47,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576263536] [2022-10-16 16:06:47,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576263536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:47,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:47,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:47,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282692351] [2022-10-16 16:06:47,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:47,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:47,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:47,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:47,618 INFO L87 Difference]: Start difference. First operand 23718 states and 36029 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:51,233 INFO L93 Difference]: Finished difference Result 29918 states and 45542 transitions. [2022-10-16 16:06:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:51,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:06:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:51,262 INFO L225 Difference]: With dead ends: 29918 [2022-10-16 16:06:51,263 INFO L226 Difference]: Without dead ends: 22440 [2022-10-16 16:06:51,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:51,276 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 2817 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 4780 SdHoareTripleChecker+Invalid, 2871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:51,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 4780 Invalid, 2871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2846 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:06:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22440 states. [2022-10-16 16:06:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22440 to 12667. [2022-10-16 16:06:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12667 states, 12655 states have (on average 1.4981430264717503) internal successors, (18959), 12666 states have internal predecessors, (18959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12667 states to 12667 states and 18959 transitions. [2022-10-16 16:06:52,411 INFO L78 Accepts]: Start accepts. Automaton has 12667 states and 18959 transitions. Word has length 81 [2022-10-16 16:06:52,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:52,411 INFO L495 AbstractCegarLoop]: Abstraction has 12667 states and 18959 transitions. [2022-10-16 16:06:52,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 12667 states and 18959 transitions. [2022-10-16 16:06:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:06:52,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:52,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:52,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:06:52,414 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:52,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:52,414 INFO L85 PathProgramCache]: Analyzing trace with hash -383785125, now seen corresponding path program 1 times [2022-10-16 16:06:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:52,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558879239] [2022-10-16 16:06:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:52,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:52,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558879239] [2022-10-16 16:06:52,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558879239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:52,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:52,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:52,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890595973] [2022-10-16 16:06:52,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:52,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:52,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:52,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:52,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:52,586 INFO L87 Difference]: Start difference. First operand 12667 states and 18959 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:55,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:55,557 INFO L93 Difference]: Finished difference Result 12939 states and 19354 transitions. [2022-10-16 16:06:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:55,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:06:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:55,573 INFO L225 Difference]: With dead ends: 12939 [2022-10-16 16:06:55,574 INFO L226 Difference]: Without dead ends: 12937 [2022-10-16 16:06:55,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:55,578 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2662 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 4721 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:55,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 4721 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:06:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12937 states. [2022-10-16 16:06:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12937 to 12924. [2022-10-16 16:06:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12924 states, 12913 states have (on average 1.4986447765817392) internal successors, (19352), 12923 states have internal predecessors, (19352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:56,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12924 states to 12924 states and 19352 transitions. [2022-10-16 16:06:56,734 INFO L78 Accepts]: Start accepts. Automaton has 12924 states and 19352 transitions. Word has length 81 [2022-10-16 16:06:56,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:56,735 INFO L495 AbstractCegarLoop]: Abstraction has 12924 states and 19352 transitions. [2022-10-16 16:06:56,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 12924 states and 19352 transitions. [2022-10-16 16:06:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:06:56,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:56,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:56,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:06:56,737 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:06:56,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash -647352233, now seen corresponding path program 1 times [2022-10-16 16:06:56,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:56,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474782926] [2022-10-16 16:06:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:56,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474782926] [2022-10-16 16:06:56,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474782926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:56,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:56,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:06:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923707900] [2022-10-16 16:06:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:56,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:06:56,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:56,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:06:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:56,907 INFO L87 Difference]: Start difference. First operand 12924 states and 19352 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:59,484 INFO L93 Difference]: Finished difference Result 13106 states and 19616 transitions. [2022-10-16 16:06:59,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:59,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:06:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:59,501 INFO L225 Difference]: With dead ends: 13106 [2022-10-16 16:06:59,502 INFO L226 Difference]: Without dead ends: 13104 [2022-10-16 16:06:59,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:06:59,506 INFO L413 NwaCegarLoop]: 1665 mSDtfsCounter, 2597 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 2429 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 3493 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:59,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 3493 Invalid, 2437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2429 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:06:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13104 states. [2022-10-16 16:07:00,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13104 to 13095. [2022-10-16 16:07:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13095 states, 13085 states have (on average 1.4986625907527704) internal successors, (19610), 13094 states have internal predecessors, (19610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 19610 transitions. [2022-10-16 16:07:00,748 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 19610 transitions. Word has length 81 [2022-10-16 16:07:00,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:00,749 INFO L495 AbstractCegarLoop]: Abstraction has 13095 states and 19610 transitions. [2022-10-16 16:07:00,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 19610 transitions. [2022-10-16 16:07:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:07:00,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:00,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:00,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:07:00,751 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:00,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:00,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1247033968, now seen corresponding path program 1 times [2022-10-16 16:07:00,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:00,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091833005] [2022-10-16 16:07:00,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:00,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:00,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:00,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091833005] [2022-10-16 16:07:00,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091833005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:00,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:00,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:00,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590213433] [2022-10-16 16:07:00,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:00,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:00,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:00,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:00,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:00,922 INFO L87 Difference]: Start difference. First operand 13095 states and 19610 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:03,635 INFO L93 Difference]: Finished difference Result 13195 states and 19742 transitions. [2022-10-16 16:07:03,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:03,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:07:03,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:03,651 INFO L225 Difference]: With dead ends: 13195 [2022-10-16 16:07:03,651 INFO L226 Difference]: Without dead ends: 13007 [2022-10-16 16:07:03,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:03,657 INFO L413 NwaCegarLoop]: 2795 mSDtfsCounter, 700 mSDsluCounter, 2861 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:03,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 5656 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2425 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:07:03,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13007 states. [2022-10-16 16:07:04,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13007 to 12994. [2022-10-16 16:07:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12994 states, 12984 states have (on average 1.4982285890326557) internal successors, (19453), 12993 states have internal predecessors, (19453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12994 states to 12994 states and 19453 transitions. [2022-10-16 16:07:04,809 INFO L78 Accepts]: Start accepts. Automaton has 12994 states and 19453 transitions. Word has length 85 [2022-10-16 16:07:04,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:04,809 INFO L495 AbstractCegarLoop]: Abstraction has 12994 states and 19453 transitions. [2022-10-16 16:07:04,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 12994 states and 19453 transitions. [2022-10-16 16:07:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:07:04,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:04,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:04,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:07:04,815 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:04,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:04,815 INFO L85 PathProgramCache]: Analyzing trace with hash 538033277, now seen corresponding path program 1 times [2022-10-16 16:07:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:04,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694281511] [2022-10-16 16:07:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:04,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:04,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694281511] [2022-10-16 16:07:04,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694281511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:04,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:04,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:04,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838771876] [2022-10-16 16:07:04,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:04,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:07:04,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:04,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:07:04,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:07:04,922 INFO L87 Difference]: Start difference. First operand 12994 states and 19453 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:06,774 INFO L93 Difference]: Finished difference Result 26719 states and 40425 transitions. [2022-10-16 16:07:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:07:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:07:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:06,795 INFO L225 Difference]: With dead ends: 26719 [2022-10-16 16:07:06,795 INFO L226 Difference]: Without dead ends: 15551 [2022-10-16 16:07:06,809 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 [2022-10-16 16:07:06,809 INFO L413 NwaCegarLoop]: 2458 mSDtfsCounter, 1621 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 4033 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:06,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 4033 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:07:06,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15551 states. [2022-10-16 16:07:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15551 to 15545. [2022-10-16 16:07:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15545 states, 15535 states have (on average 1.46636626971355) internal successors, (22780), 15544 states have internal predecessors, (22780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15545 states to 15545 states and 22780 transitions. [2022-10-16 16:07:08,328 INFO L78 Accepts]: Start accepts. Automaton has 15545 states and 22780 transitions. Word has length 105 [2022-10-16 16:07:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:08,328 INFO L495 AbstractCegarLoop]: Abstraction has 15545 states and 22780 transitions. [2022-10-16 16:07:08,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 15545 states and 22780 transitions. [2022-10-16 16:07:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:07:08,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:08,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:08,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:07:08,335 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:08,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1074268657, now seen corresponding path program 1 times [2022-10-16 16:07:08,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:08,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463533268] [2022-10-16 16:07:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:08,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:08,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463533268] [2022-10-16 16:07:08,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463533268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:08,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:08,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:08,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700440819] [2022-10-16 16:07:08,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:08,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:08,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:08,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:08,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:08,477 INFO L87 Difference]: Start difference. First operand 15545 states and 22780 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:11,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:11,767 INFO L93 Difference]: Finished difference Result 17119 states and 25163 transitions. [2022-10-16 16:07:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:11,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:07:11,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:11,785 INFO L225 Difference]: With dead ends: 17119 [2022-10-16 16:07:11,786 INFO L226 Difference]: Without dead ends: 17117 [2022-10-16 16:07:11,788 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 [2022-10-16 16:07:11,789 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 351 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 5011 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:11,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 5011 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17117 states. [2022-10-16 16:07:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17117 to 15543. [2022-10-16 16:07:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15543 states, 15535 states have (on average 1.4599935629224332) internal successors, (22681), 15542 states have internal predecessors, (22681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15543 states to 15543 states and 22681 transitions. [2022-10-16 16:07:13,339 INFO L78 Accepts]: Start accepts. Automaton has 15543 states and 22681 transitions. Word has length 105 [2022-10-16 16:07:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:13,339 INFO L495 AbstractCegarLoop]: Abstraction has 15543 states and 22681 transitions. [2022-10-16 16:07:13,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 15543 states and 22681 transitions. [2022-10-16 16:07:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:07:13,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:13,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:13,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:07:13,348 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:13,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:13,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1130583335, now seen corresponding path program 1 times [2022-10-16 16:07:13,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:13,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421169319] [2022-10-16 16:07:13,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:13,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:13,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:13,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421169319] [2022-10-16 16:07:13,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421169319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:13,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:13,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:13,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646310343] [2022-10-16 16:07:13,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:13,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:07:13,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:13,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:07:13,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:07:13,426 INFO L87 Difference]: Start difference. First operand 15543 states and 22681 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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) [2022-10-16 16:07:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:16,196 INFO L93 Difference]: Finished difference Result 40223 states and 60019 transitions. [2022-10-16 16:07:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:07:16,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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 106 [2022-10-16 16:07:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:16,233 INFO L225 Difference]: With dead ends: 40223 [2022-10-16 16:07:16,233 INFO L226 Difference]: Without dead ends: 26848 [2022-10-16 16:07:16,251 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 [2022-10-16 16:07:16,252 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 1196 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 3923 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:16,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 3923 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:07:16,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26848 states. [2022-10-16 16:07:18,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26848 to 22230. [2022-10-16 16:07:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22230 states, 22222 states have (on average 1.4619746197461974) internal successors, (32488), 22229 states have internal predecessors, (32488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22230 states to 22230 states and 32488 transitions. [2022-10-16 16:07:18,801 INFO L78 Accepts]: Start accepts. Automaton has 22230 states and 32488 transitions. Word has length 106 [2022-10-16 16:07:18,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:18,801 INFO L495 AbstractCegarLoop]: Abstraction has 22230 states and 32488 transitions. [2022-10-16 16:07:18,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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) [2022-10-16 16:07:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 22230 states and 32488 transitions. [2022-10-16 16:07:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:07:18,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:18,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:18,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:07:18,810 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:18,810 INFO L85 PathProgramCache]: Analyzing trace with hash -279341760, now seen corresponding path program 1 times [2022-10-16 16:07:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:18,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914539451] [2022-10-16 16:07:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:18,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:18,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914539451] [2022-10-16 16:07:18,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914539451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:18,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:18,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:18,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782489657] [2022-10-16 16:07:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:18,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:18,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:18,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:18,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:18,967 INFO L87 Difference]: Start difference. First operand 22230 states and 32488 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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) [2022-10-16 16:07:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:22,849 INFO L93 Difference]: Finished difference Result 23442 states and 34278 transitions. [2022-10-16 16:07:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:22,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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 106 [2022-10-16 16:07:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:22,879 INFO L225 Difference]: With dead ends: 23442 [2022-10-16 16:07:22,879 INFO L226 Difference]: Without dead ends: 23440 [2022-10-16 16:07:22,886 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 [2022-10-16 16:07:22,887 INFO L413 NwaCegarLoop]: 1510 mSDtfsCounter, 2417 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:22,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 3034 Invalid, 2358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:07:22,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23440 states. [2022-10-16 16:07:25,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23440 to 22230. [2022-10-16 16:07:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22230 states, 22222 states have (on average 1.4596345963459634) internal successors, (32436), 22229 states have internal predecessors, (32436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22230 states to 22230 states and 32436 transitions. [2022-10-16 16:07:25,530 INFO L78 Accepts]: Start accepts. Automaton has 22230 states and 32436 transitions. Word has length 106 [2022-10-16 16:07:25,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:25,530 INFO L495 AbstractCegarLoop]: Abstraction has 22230 states and 32436 transitions. [2022-10-16 16:07:25,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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) [2022-10-16 16:07:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 22230 states and 32436 transitions. [2022-10-16 16:07:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:07:25,539 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:25,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:25,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:07:25,540 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:25,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:25,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1013178561, now seen corresponding path program 1 times [2022-10-16 16:07:25,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:25,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236351585] [2022-10-16 16:07:25,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:25,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:25,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236351585] [2022-10-16 16:07:25,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236351585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:25,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:25,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:25,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359254174] [2022-10-16 16:07:25,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:25,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:25,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:25,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:25,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:25,710 INFO L87 Difference]: Start difference. First operand 22230 states and 32436 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:29,944 INFO L93 Difference]: Finished difference Result 23184 states and 33841 transitions. [2022-10-16 16:07:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:29,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 16:07:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:29,970 INFO L225 Difference]: With dead ends: 23184 [2022-10-16 16:07:29,971 INFO L226 Difference]: Without dead ends: 23182 [2022-10-16 16:07:29,976 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 [2022-10-16 16:07:29,977 INFO L413 NwaCegarLoop]: 1507 mSDtfsCounter, 2466 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 3352 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 4059 SdHoareTripleChecker+Invalid, 3357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:29,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 4059 Invalid, 3357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3352 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:07:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23182 states. [2022-10-16 16:07:32,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23182 to 22645. [2022-10-16 16:07:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22645 states, 22637 states have (on average 1.4593806599814463) internal successors, (33036), 22644 states have internal predecessors, (33036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22645 states to 22645 states and 33036 transitions. [2022-10-16 16:07:32,507 INFO L78 Accepts]: Start accepts. Automaton has 22645 states and 33036 transitions. Word has length 107 [2022-10-16 16:07:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:32,508 INFO L495 AbstractCegarLoop]: Abstraction has 22645 states and 33036 transitions. [2022-10-16 16:07:32,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 22645 states and 33036 transitions. [2022-10-16 16:07:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:07:32,519 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:32,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:32,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:07:32,520 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1580040435, now seen corresponding path program 1 times [2022-10-16 16:07:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:32,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143048169] [2022-10-16 16:07:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:32,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:32,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143048169] [2022-10-16 16:07:32,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143048169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:32,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:32,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556460790] [2022-10-16 16:07:32,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:32,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:32,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:32,673 INFO L87 Difference]: Start difference. First operand 22645 states and 33036 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:36,584 INFO L93 Difference]: Finished difference Result 23035 states and 33589 transitions. [2022-10-16 16:07:36,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:36,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 16:07:36,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:36,613 INFO L225 Difference]: With dead ends: 23035 [2022-10-16 16:07:36,613 INFO L226 Difference]: Without dead ends: 23033 [2022-10-16 16:07:36,619 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 [2022-10-16 16:07:36,619 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 2442 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:36,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 3328 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2042 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23033 states. [2022-10-16 16:07:39,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23033 to 22645. [2022-10-16 16:07:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22645 states, 22637 states have (on average 1.458320448822724) internal successors, (33012), 22644 states have internal predecessors, (33012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:39,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22645 states to 22645 states and 33012 transitions. [2022-10-16 16:07:39,299 INFO L78 Accepts]: Start accepts. Automaton has 22645 states and 33012 transitions. Word has length 107 [2022-10-16 16:07:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:39,299 INFO L495 AbstractCegarLoop]: Abstraction has 22645 states and 33012 transitions. [2022-10-16 16:07:39,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 22645 states and 33012 transitions. [2022-10-16 16:07:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:07:39,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:39,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:39,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:07:39,311 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:39,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:39,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1196224167, now seen corresponding path program 1 times [2022-10-16 16:07:39,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:39,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553150974] [2022-10-16 16:07:39,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:39,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:39,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:39,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553150974] [2022-10-16 16:07:39,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553150974] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:39,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:39,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:39,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705385236] [2022-10-16 16:07:39,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:39,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:39,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:39,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:39,481 INFO L87 Difference]: Start difference. First operand 22645 states and 33012 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:43,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:43,451 INFO L93 Difference]: Finished difference Result 22983 states and 33500 transitions. [2022-10-16 16:07:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:43,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 [2022-10-16 16:07:43,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:43,480 INFO L225 Difference]: With dead ends: 22983 [2022-10-16 16:07:43,480 INFO L226 Difference]: Without dead ends: 22981 [2022-10-16 16:07:43,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:43,487 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 4687 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4687 SdHoareTripleChecker+Valid, 3265 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:43,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4687 Valid, 3265 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2462 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22981 states. [2022-10-16 16:07:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22981 to 22313. [2022-10-16 16:07:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22313 states, 22305 states have (on average 1.4577897332436673) internal successors, (32516), 22312 states have internal predecessors, (32516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22313 states to 22313 states and 32516 transitions. [2022-10-16 16:07:45,919 INFO L78 Accepts]: Start accepts. Automaton has 22313 states and 32516 transitions. Word has length 108 [2022-10-16 16:07:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:45,919 INFO L495 AbstractCegarLoop]: Abstraction has 22313 states and 32516 transitions. [2022-10-16 16:07:45,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 22313 states and 32516 transitions. [2022-10-16 16:07:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:07:45,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:45,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:45,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:07:45,928 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:45,928 INFO L85 PathProgramCache]: Analyzing trace with hash 355985347, now seen corresponding path program 1 times [2022-10-16 16:07:45,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:45,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413725479] [2022-10-16 16:07:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:46,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:46,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413725479] [2022-10-16 16:07:46,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413725479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:46,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:46,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:46,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275593324] [2022-10-16 16:07:46,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:46,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:46,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:46,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:46,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:46,091 INFO L87 Difference]: Start difference. First operand 22313 states and 32516 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:50,541 INFO L93 Difference]: Finished difference Result 22651 states and 33004 transitions. [2022-10-16 16:07:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:50,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 [2022-10-16 16:07:50,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:50,567 INFO L225 Difference]: With dead ends: 22651 [2022-10-16 16:07:50,567 INFO L226 Difference]: Without dead ends: 22649 [2022-10-16 16:07:50,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:50,573 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 4691 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 3407 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 4231 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:50,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 4231 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3407 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:07:50,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22649 states. [2022-10-16 16:07:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22649 to 21981. [2022-10-16 16:07:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21981 states, 21973 states have (on average 1.4572429800209348) internal successors, (32020), 21980 states have internal predecessors, (32020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21981 states to 21981 states and 32020 transitions. [2022-10-16 16:07:53,016 INFO L78 Accepts]: Start accepts. Automaton has 21981 states and 32020 transitions. Word has length 108 [2022-10-16 16:07:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:53,016 INFO L495 AbstractCegarLoop]: Abstraction has 21981 states and 32020 transitions. [2022-10-16 16:07:53,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21981 states and 32020 transitions. [2022-10-16 16:07:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:07:53,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:53,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:53,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:07:53,025 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:53,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:53,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2135520514, now seen corresponding path program 1 times [2022-10-16 16:07:53,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:53,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968860563] [2022-10-16 16:07:53,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:53,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:53,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:53,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968860563] [2022-10-16 16:07:53,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968860563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:53,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:53,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:53,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585142085] [2022-10-16 16:07:53,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:53,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:53,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:53,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:53,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:53,187 INFO L87 Difference]: Start difference. First operand 21981 states and 32020 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:57,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:57,157 INFO L93 Difference]: Finished difference Result 22917 states and 33392 transitions. [2022-10-16 16:07:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:57,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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 [2022-10-16 16:07:57,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:57,185 INFO L225 Difference]: With dead ends: 22917 [2022-10-16 16:07:57,185 INFO L226 Difference]: Without dead ends: 22915 [2022-10-16 16:07:57,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:57,192 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 4709 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:57,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4709 Valid, 3245 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:57,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22915 states. [2022-10-16 16:07:59,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22915 to 22311. [2022-10-16 16:07:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22311 states, 22303 states have (on average 1.4570237187822266) internal successors, (32496), 22310 states have internal predecessors, (32496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22311 states to 22311 states and 32496 transitions. [2022-10-16 16:07:59,590 INFO L78 Accepts]: Start accepts. Automaton has 22311 states and 32496 transitions. Word has length 108 [2022-10-16 16:07:59,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:59,591 INFO L495 AbstractCegarLoop]: Abstraction has 22311 states and 32496 transitions. [2022-10-16 16:07:59,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 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) [2022-10-16 16:07:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 22311 states and 32496 transitions. [2022-10-16 16:07:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:07:59,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:59,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:59,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:07:59,599 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:07:59,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:59,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1736613611, now seen corresponding path program 1 times [2022-10-16 16:07:59,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:59,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197108416] [2022-10-16 16:07:59,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:59,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:07:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:59,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197108416] [2022-10-16 16:07:59,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197108416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:59,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:59,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:59,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582844007] [2022-10-16 16:07:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:59,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:59,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:59,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:59,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:59,818 INFO L87 Difference]: Start difference. First operand 22311 states and 32496 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:03,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:03,888 INFO L93 Difference]: Finished difference Result 24690 states and 36075 transitions. [2022-10-16 16:08:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:03,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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 [2022-10-16 16:08:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:03,919 INFO L225 Difference]: With dead ends: 24690 [2022-10-16 16:08:03,919 INFO L226 Difference]: Without dead ends: 24688 [2022-10-16 16:08:03,926 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 [2022-10-16 16:08:03,926 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 2527 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:03,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 3105 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:08:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24688 states. [2022-10-16 16:08:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24688 to 20807. [2022-10-16 16:08:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20807 states, 20801 states have (on average 1.4484880534589684) internal successors, (30130), 20806 states have internal predecessors, (30130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20807 states to 20807 states and 30130 transitions. [2022-10-16 16:08:06,262 INFO L78 Accepts]: Start accepts. Automaton has 20807 states and 30130 transitions. Word has length 108 [2022-10-16 16:08:06,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:06,263 INFO L495 AbstractCegarLoop]: Abstraction has 20807 states and 30130 transitions. [2022-10-16 16:08:06,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20807 states and 30130 transitions. [2022-10-16 16:08:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:08:06,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:06,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:06,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:08:06,272 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:08:06,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:06,272 INFO L85 PathProgramCache]: Analyzing trace with hash -953892327, now seen corresponding path program 1 times [2022-10-16 16:08:06,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:06,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872658041] [2022-10-16 16:08:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:06,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:06,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:06,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872658041] [2022-10-16 16:08:06,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872658041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:06,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:06,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:08:06,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804879673] [2022-10-16 16:08:06,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:06,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:08:06,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:08:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:08:06,405 INFO L87 Difference]: Start difference. First operand 20807 states and 30130 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:10,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:10,791 INFO L93 Difference]: Finished difference Result 26690 states and 39047 transitions. [2022-10-16 16:08:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:10,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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 [2022-10-16 16:08:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:10,825 INFO L225 Difference]: With dead ends: 26690 [2022-10-16 16:08:10,825 INFO L226 Difference]: Without dead ends: 26688 [2022-10-16 16:08:10,831 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 [2022-10-16 16:08:10,832 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 513 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 5251 SdHoareTripleChecker+Invalid, 2368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:10,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 5251 Invalid, 2368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:08:10,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26688 states. [2022-10-16 16:08:13,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26688 to 26448. [2022-10-16 16:08:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26448 states, 26442 states have (on average 1.458777702140534) internal successors, (38573), 26447 states have internal predecessors, (38573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26448 states to 26448 states and 38573 transitions. [2022-10-16 16:08:13,674 INFO L78 Accepts]: Start accepts. Automaton has 26448 states and 38573 transitions. Word has length 108 [2022-10-16 16:08:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:13,675 INFO L495 AbstractCegarLoop]: Abstraction has 26448 states and 38573 transitions. [2022-10-16 16:08:13,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 26448 states and 38573 transitions. [2022-10-16 16:08:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:08:13,683 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:13,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:13,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:08:13,683 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:08:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:13,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1606762956, now seen corresponding path program 1 times [2022-10-16 16:08:13,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:13,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195019282] [2022-10-16 16:08:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:13,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:13,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195019282] [2022-10-16 16:08:13,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195019282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:13,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:13,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:08:13,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61145619] [2022-10-16 16:08:13,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:13,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:08:13,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:08:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:08:13,834 INFO L87 Difference]: Start difference. First operand 26448 states and 38573 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:18,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:18,200 INFO L93 Difference]: Finished difference Result 30746 states and 45006 transitions. [2022-10-16 16:08:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:18,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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 [2022-10-16 16:08:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:18,237 INFO L225 Difference]: With dead ends: 30746 [2022-10-16 16:08:18,238 INFO L226 Difference]: Without dead ends: 30744 [2022-10-16 16:08:18,245 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 [2022-10-16 16:08:18,246 INFO L413 NwaCegarLoop]: 2644 mSDtfsCounter, 518 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 4079 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:18,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 4079 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:08:18,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30744 states. [2022-10-16 16:08:20,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30744 to 24442. [2022-10-16 16:08:20,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24442 states, 24436 states have (on average 1.4537976755606483) internal successors, (35525), 24441 states have internal predecessors, (35525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24442 states to 24442 states and 35525 transitions. [2022-10-16 16:08:20,957 INFO L78 Accepts]: Start accepts. Automaton has 24442 states and 35525 transitions. Word has length 108 [2022-10-16 16:08:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:20,957 INFO L495 AbstractCegarLoop]: Abstraction has 24442 states and 35525 transitions. [2022-10-16 16:08:20,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 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) [2022-10-16 16:08:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 24442 states and 35525 transitions. [2022-10-16 16:08:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:08:20,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:20,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:20,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:08:20,966 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:08:20,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash 426610483, now seen corresponding path program 1 times [2022-10-16 16:08:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:20,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642648006] [2022-10-16 16:08:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:21,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:21,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642648006] [2022-10-16 16:08:21,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642648006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:21,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:21,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:21,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720287083] [2022-10-16 16:08:21,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:21,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:21,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:21,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:21,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:21,166 INFO L87 Difference]: Start difference. First operand 24442 states and 35525 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:26,201 INFO L93 Difference]: Finished difference Result 28363 states and 41353 transitions. [2022-10-16 16:08:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:26,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:08:26,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:26,247 INFO L225 Difference]: With dead ends: 28363 [2022-10-16 16:08:26,247 INFO L226 Difference]: Without dead ends: 28361 [2022-10-16 16:08:26,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:26,254 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 2599 mSDsluCounter, 2735 mSDsCounter, 0 mSdLazyCounter, 3452 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:26,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 4367 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3452 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:08:26,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28361 states. [2022-10-16 16:08:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28361 to 26402. [2022-10-16 16:08:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26402 states, 26396 states have (on average 1.455409910592514) internal successors, (38417), 26401 states have internal predecessors, (38417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26402 states to 26402 states and 38417 transitions. [2022-10-16 16:08:29,327 INFO L78 Accepts]: Start accepts. Automaton has 26402 states and 38417 transitions. Word has length 109 [2022-10-16 16:08:29,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:29,327 INFO L495 AbstractCegarLoop]: Abstraction has 26402 states and 38417 transitions. [2022-10-16 16:08:29,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:08:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 26402 states and 38417 transitions. [2022-10-16 16:08:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:08:29,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:29,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:08:29,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:08:29,336 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 997 more)] === [2022-10-16 16:08:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1776626880, now seen corresponding path program 1 times [2022-10-16 16:08:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:29,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566669042] [2022-10-16 16:08:29,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:29,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:08:29,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:29,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566669042] [2022-10-16 16:08:29,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566669042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:29,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:29,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537472012] [2022-10-16 16:08:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:29,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:29,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:29,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:29,475 INFO L87 Difference]: Start difference. First operand 26402 states and 38417 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)