/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:17:50,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:17:50,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:17:50,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:17:50,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:17:50,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:17:50,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:17:50,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:17:50,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:17:50,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:17:50,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:17:50,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:17:50,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:17:50,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:17:50,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:17:50,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:17:50,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:17:50,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:17:50,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:17:50,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:17:50,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:17:50,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:17:50,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:17:50,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:17:50,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:17:50,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:17:50,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:17:50,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:17:50,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:17:50,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:17:50,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:17:50,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:17:50,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:17:50,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:17:50,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:17:50,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:17:50,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:17:50,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:17:50,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:17:50,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:17:50,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:17:50,817 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 16:17:50,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:17:50,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:17:50,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:17:50,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:17:50,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:17:50,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:17:50,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:17:50,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:17:50,882 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:17:50,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:17:50,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:17:50,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:17:50,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:17:50,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:17:50,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:17:50,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:17:50,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:17:50,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:17:50,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:17:50,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:17:50,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:17:50,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:17:50,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:17:50,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:17:50,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:17:50,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:17:50,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:17:50,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:17:50,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:17:51,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:17:51,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:17:51,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:17:51,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:17:51,322 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:17:51,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:17:51,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b58c732fe/fe7e01d79cd94601b1885974965ba5a7/FLAGdfb1ec7e9 [2022-10-16 16:17:52,108 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:17:52,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:17:52,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b58c732fe/fe7e01d79cd94601b1885974965ba5a7/FLAGdfb1ec7e9 [2022-10-16 16:17:52,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b58c732fe/fe7e01d79cd94601b1885974965ba5a7 [2022-10-16 16:17:52,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:17:52,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:17:52,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:17:52,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:17:52,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:17:52,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:17:52" (1/1) ... [2022-10-16 16:17:52,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764c9279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:52, skipping insertion in model container [2022-10-16 16:17:52,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:17:52" (1/1) ... [2022-10-16 16:17:52,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:17:52,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:17:52,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7119,7132] [2022-10-16 16:17:52,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9806,9819] [2022-10-16 16:17:52,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10897,10910] [2022-10-16 16:17:52,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11503,11516] [2022-10-16 16:17:52,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12922,12935] [2022-10-16 16:17:52,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13528,13541] [2022-10-16 16:17:52,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14457,14470] [2022-10-16 16:17:52,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:17:52,924 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:17:52,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[7119,7132] [2022-10-16 16:17:52,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[9806,9819] [2022-10-16 16:17:53,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10897,10910] [2022-10-16 16:17:53,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[11503,11516] [2022-10-16 16:17:53,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12922,12935] [2022-10-16 16:17:53,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13528,13541] [2022-10-16 16:17:53,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14457,14470] [2022-10-16 16:17:53,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:17:53,182 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:17:53,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53 WrapperNode [2022-10-16 16:17:53,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:17:53,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:17:53,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:17:53,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:17:53,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,314 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1101 [2022-10-16 16:17:53,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:17:53,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:17:53,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:17:53,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:17:53,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:17:53,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:17:53,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:17:53,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:17:53,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (1/1) ... [2022-10-16 16:17:53,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:17:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:17:53,467 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 16:17:53,491 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 16:17:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:17:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:17:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:17:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:17:53,782 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:17:53,791 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:17:54,932 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:17:54,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:17:54,945 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:17:54,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:17:54 BoogieIcfgContainer [2022-10-16 16:17:54,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:17:54,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:17:54,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:17:54,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:17:54,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:17:52" (1/3) ... [2022-10-16 16:17:54,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715e4849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:17:54, skipping insertion in model container [2022-10-16 16:17:54,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:17:53" (2/3) ... [2022-10-16 16:17:54,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715e4849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:17:54, skipping insertion in model container [2022-10-16 16:17:54,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:17:54" (3/3) ... [2022-10-16 16:17:54,960 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:17:54,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:17:54,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-16 16:17:55,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:17:55,067 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;@5c95dc28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:17:55,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-16 16:17:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 318 states have (on average 1.8930817610062893) internal successors, (602), 446 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 16:17:55,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:55,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:55,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:55,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1599126475, now seen corresponding path program 1 times [2022-10-16 16:17:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:55,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924834017] [2022-10-16 16:17:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:55,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:55,582 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 16:17:55,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:55,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924834017] [2022-10-16 16:17:55,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924834017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:55,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:55,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:55,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66257242] [2022-10-16 16:17:55,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:55,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:55,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:55,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:55,630 INFO L87 Difference]: Start difference. First operand has 447 states, 318 states have (on average 1.8930817610062893) internal successors, (602), 446 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:56,282 INFO L93 Difference]: Finished difference Result 585 states and 794 transitions. [2022-10-16 16:17:56,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:17:56,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-16 16:17:56,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:56,315 INFO L225 Difference]: With dead ends: 585 [2022-10-16 16:17:56,315 INFO L226 Difference]: Without dead ends: 536 [2022-10-16 16:17:56,320 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 16:17:56,328 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 959 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:56,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 703 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:17:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2022-10-16 16:17:56,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 464. [2022-10-16 16:17:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 360 states have (on average 1.511111111111111) internal successors, (544), 463 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 544 transitions. [2022-10-16 16:17:56,454 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 544 transitions. Word has length 26 [2022-10-16 16:17:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:56,455 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 544 transitions. [2022-10-16 16:17:56,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 544 transitions. [2022-10-16 16:17:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 16:17:56,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:56,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:56,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:17:56,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:56,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1966685767, now seen corresponding path program 1 times [2022-10-16 16:17:56,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:56,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891957843] [2022-10-16 16:17:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:56,639 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 16:17:56,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:56,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891957843] [2022-10-16 16:17:56,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891957843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:56,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:56,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108192333] [2022-10-16 16:17:56,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:56,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:56,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:56,643 INFO L87 Difference]: Start difference. First operand 464 states and 544 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:56,997 INFO L93 Difference]: Finished difference Result 527 states and 634 transitions. [2022-10-16 16:17:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:17:56,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 16:17:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:57,001 INFO L225 Difference]: With dead ends: 527 [2022-10-16 16:17:57,001 INFO L226 Difference]: Without dead ends: 499 [2022-10-16 16:17:57,002 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 16:17:57,004 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 775 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:57,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 347 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:17:57,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-10-16 16:17:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 493. [2022-10-16 16:17:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 414 states have (on average 1.4565217391304348) internal successors, (603), 492 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 603 transitions. [2022-10-16 16:17:57,027 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 603 transitions. Word has length 27 [2022-10-16 16:17:57,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:57,028 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 603 transitions. [2022-10-16 16:17:57,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 603 transitions. [2022-10-16 16:17:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 16:17:57,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:57,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:57,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:17:57,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:57,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:57,031 INFO L85 PathProgramCache]: Analyzing trace with hash -837715571, now seen corresponding path program 1 times [2022-10-16 16:17:57,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:57,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056085557] [2022-10-16 16:17:57,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:57,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:57,186 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 16:17:57,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056085557] [2022-10-16 16:17:57,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056085557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:57,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:57,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:17:57,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455415446] [2022-10-16 16:17:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:57,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:17:57,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:57,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:17:57,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:17:57,189 INFO L87 Difference]: Start difference. First operand 493 states and 603 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:57,726 INFO L93 Difference]: Finished difference Result 961 states and 1299 transitions. [2022-10-16 16:17:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:17:57,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-10-16 16:17:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:57,731 INFO L225 Difference]: With dead ends: 961 [2022-10-16 16:17:57,731 INFO L226 Difference]: Without dead ends: 769 [2022-10-16 16:17:57,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:57,735 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1102 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:57,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 981 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:17:57,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-10-16 16:17:57,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 637. [2022-10-16 16:17:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 576 states have (on average 1.4427083333333333) internal successors, (831), 636 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 831 transitions. [2022-10-16 16:17:57,778 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 831 transitions. Word has length 28 [2022-10-16 16:17:57,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:57,779 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 831 transitions. [2022-10-16 16:17:57,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 831 transitions. [2022-10-16 16:17:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 16:17:57,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:57,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:57,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:17:57,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:57,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:57,782 INFO L85 PathProgramCache]: Analyzing trace with hash -199377861, now seen corresponding path program 1 times [2022-10-16 16:17:57,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:57,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46678280] [2022-10-16 16:17:57,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:57,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:57,883 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 16:17:57,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46678280] [2022-10-16 16:17:57,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46678280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:57,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:57,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:17:57,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976663589] [2022-10-16 16:17:57,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:57,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:17:57,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:57,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:17:57,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:17:57,886 INFO L87 Difference]: Start difference. First operand 637 states and 831 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:58,284 INFO L93 Difference]: Finished difference Result 760 states and 1008 transitions. [2022-10-16 16:17:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:58,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-10-16 16:17:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:58,327 INFO L225 Difference]: With dead ends: 760 [2022-10-16 16:17:58,327 INFO L226 Difference]: Without dead ends: 733 [2022-10-16 16:17:58,327 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 16:17:58,329 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 1221 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:58,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 461 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:17:58,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-10-16 16:17:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 721. [2022-10-16 16:17:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 682 states have (on average 1.4164222873900294) internal successors, (966), 720 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 966 transitions. [2022-10-16 16:17:58,376 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 966 transitions. Word has length 29 [2022-10-16 16:17:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:58,376 INFO L495 AbstractCegarLoop]: Abstraction has 721 states and 966 transitions. [2022-10-16 16:17:58,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 966 transitions. [2022-10-16 16:17:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:17:58,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:58,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:58,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:17:58,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:58,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1993097170, now seen corresponding path program 1 times [2022-10-16 16:17:58,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:58,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636067018] [2022-10-16 16:17:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:58,517 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 16:17:58,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:58,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636067018] [2022-10-16 16:17:58,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636067018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:58,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:58,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:58,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550319626] [2022-10-16 16:17:58,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:58,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:58,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:58,523 INFO L87 Difference]: Start difference. First operand 721 states and 966 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:58,809 INFO L93 Difference]: Finished difference Result 898 states and 1225 transitions. [2022-10-16 16:17:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:17:58,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:17:58,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:58,818 INFO L225 Difference]: With dead ends: 898 [2022-10-16 16:17:58,818 INFO L226 Difference]: Without dead ends: 892 [2022-10-16 16:17:58,820 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 16:17:58,823 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 486 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:58,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 481 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-10-16 16:17:58,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 880. [2022-10-16 16:17:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 844 states have (on average 1.4372037914691944) internal successors, (1213), 879 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1213 transitions. [2022-10-16 16:17:58,894 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1213 transitions. Word has length 53 [2022-10-16 16:17:58,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:58,901 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1213 transitions. [2022-10-16 16:17:58,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1213 transitions. [2022-10-16 16:17:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:17:58,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:58,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:58,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:17:58,908 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:58,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:58,908 INFO L85 PathProgramCache]: Analyzing trace with hash 732346922, now seen corresponding path program 1 times [2022-10-16 16:17:58,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:58,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876323727] [2022-10-16 16:17:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:58,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:59,061 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 16:17:59,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:59,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876323727] [2022-10-16 16:17:59,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876323727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:59,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:59,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:59,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203404128] [2022-10-16 16:17:59,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:59,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:59,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:59,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:59,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:59,065 INFO L87 Difference]: Start difference. First operand 880 states and 1213 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:59,392 INFO L93 Difference]: Finished difference Result 1054 states and 1463 transitions. [2022-10-16 16:17:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:17:59,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:17:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:59,399 INFO L225 Difference]: With dead ends: 1054 [2022-10-16 16:17:59,399 INFO L226 Difference]: Without dead ends: 1048 [2022-10-16 16:17:59,399 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 16:17:59,404 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 342 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:59,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 721 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:17:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2022-10-16 16:17:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1039. [2022-10-16 16:17:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1006 states have (on average 1.4423459244532804) internal successors, (1451), 1038 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1451 transitions. [2022-10-16 16:17:59,469 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1451 transitions. Word has length 53 [2022-10-16 16:17:59,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:59,469 INFO L495 AbstractCegarLoop]: Abstraction has 1039 states and 1451 transitions. [2022-10-16 16:17:59,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1451 transitions. [2022-10-16 16:17:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:17:59,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:59,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:59,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:17:59,474 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:17:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash 632073601, now seen corresponding path program 1 times [2022-10-16 16:17:59,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:59,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168058847] [2022-10-16 16:17:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:59,642 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 16:17:59,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:59,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168058847] [2022-10-16 16:17:59,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168058847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:59,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:59,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:59,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366650151] [2022-10-16 16:17:59,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:59,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:59,645 INFO L87 Difference]: Start difference. First operand 1039 states and 1451 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:59,936 INFO L93 Difference]: Finished difference Result 1219 states and 1710 transitions. [2022-10-16 16:17:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:17:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 16:17:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:59,944 INFO L225 Difference]: With dead ends: 1219 [2022-10-16 16:17:59,944 INFO L226 Difference]: Without dead ends: 1211 [2022-10-16 16:17:59,944 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 16:17:59,945 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 252 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:59,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 625 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-10-16 16:18:00,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1199. [2022-10-16 16:18:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1168 states have (on average 1.4392123287671232) internal successors, (1681), 1198 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1681 transitions. [2022-10-16 16:18:00,035 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1681 transitions. Word has length 54 [2022-10-16 16:18:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:00,036 INFO L495 AbstractCegarLoop]: Abstraction has 1199 states and 1681 transitions. [2022-10-16 16:18:00,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1681 transitions. [2022-10-16 16:18:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:18:00,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:00,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:00,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:18:00,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:00,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:00,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1656470725, now seen corresponding path program 1 times [2022-10-16 16:18:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:00,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412650323] [2022-10-16 16:18:00,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:00,167 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 16:18:00,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:00,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412650323] [2022-10-16 16:18:00,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412650323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:00,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:00,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326775041] [2022-10-16 16:18:00,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:00,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:00,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:00,169 INFO L87 Difference]: Start difference. First operand 1199 states and 1681 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:00,473 INFO L93 Difference]: Finished difference Result 1205 states and 1681 transitions. [2022-10-16 16:18:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:00,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 16:18:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:00,480 INFO L225 Difference]: With dead ends: 1205 [2022-10-16 16:18:00,481 INFO L226 Difference]: Without dead ends: 1199 [2022-10-16 16:18:00,481 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 16:18:00,482 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 409 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:00,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 379 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-10-16 16:18:00,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1031. [2022-10-16 16:18:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1006 states have (on average 1.4105367793240557) internal successors, (1419), 1030 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1419 transitions. [2022-10-16 16:18:00,554 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1419 transitions. Word has length 54 [2022-10-16 16:18:00,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:00,554 INFO L495 AbstractCegarLoop]: Abstraction has 1031 states and 1419 transitions. [2022-10-16 16:18:00,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1419 transitions. [2022-10-16 16:18:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:18:00,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:00,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:00,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:18:00,556 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:00,557 INFO L85 PathProgramCache]: Analyzing trace with hash -189014476, now seen corresponding path program 1 times [2022-10-16 16:18:00,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:00,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552053074] [2022-10-16 16:18:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:00,669 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 16:18:00,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:00,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552053074] [2022-10-16 16:18:00,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552053074] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:00,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:00,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:00,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723733956] [2022-10-16 16:18:00,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:00,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:00,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:00,672 INFO L87 Difference]: Start difference. First operand 1031 states and 1419 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:01,100 INFO L93 Difference]: Finished difference Result 1748 states and 2459 transitions. [2022-10-16 16:18:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:01,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 16:18:01,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:01,109 INFO L225 Difference]: With dead ends: 1748 [2022-10-16 16:18:01,109 INFO L226 Difference]: Without dead ends: 1416 [2022-10-16 16:18:01,112 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 16:18:01,115 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 636 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:01,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 763 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:18:01,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-10-16 16:18:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1245. [2022-10-16 16:18:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1222 states have (on average 1.4124386252045826) internal successors, (1726), 1244 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1726 transitions. [2022-10-16 16:18:01,200 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1726 transitions. Word has length 55 [2022-10-16 16:18:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:01,200 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1726 transitions. [2022-10-16 16:18:01,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1726 transitions. [2022-10-16 16:18:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:18:01,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:01,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:01,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:18:01,202 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:01,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:01,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1788251604, now seen corresponding path program 1 times [2022-10-16 16:18:01,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:01,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944203514] [2022-10-16 16:18:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:01,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:01,352 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 16:18:01,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:01,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944203514] [2022-10-16 16:18:01,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944203514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:01,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:01,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:01,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779299686] [2022-10-16 16:18:01,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:01,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:01,356 INFO L87 Difference]: Start difference. First operand 1245 states and 1726 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:01,754 INFO L93 Difference]: Finished difference Result 2016 states and 2856 transitions. [2022-10-16 16:18:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:01,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 16:18:01,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:01,761 INFO L225 Difference]: With dead ends: 2016 [2022-10-16 16:18:01,761 INFO L226 Difference]: Without dead ends: 1240 [2022-10-16 16:18:01,763 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 16:18:01,764 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 671 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:01,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 881 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:18:01,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-10-16 16:18:01,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1234. [2022-10-16 16:18:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1213 states have (on average 1.4105523495465788) internal successors, (1711), 1233 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1711 transitions. [2022-10-16 16:18:01,852 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1711 transitions. Word has length 55 [2022-10-16 16:18:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:01,852 INFO L495 AbstractCegarLoop]: Abstraction has 1234 states and 1711 transitions. [2022-10-16 16:18:01,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1711 transitions. [2022-10-16 16:18:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:18:01,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:01,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:01,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:18:01,854 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:01,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash -589228596, now seen corresponding path program 1 times [2022-10-16 16:18:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:01,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117272986] [2022-10-16 16:18:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:01,980 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 16:18:01,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:01,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117272986] [2022-10-16 16:18:01,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117272986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:01,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:01,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:01,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408068192] [2022-10-16 16:18:01,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:01,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:01,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:01,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:01,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:01,983 INFO L87 Difference]: Start difference. First operand 1234 states and 1711 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:02,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:02,403 INFO L93 Difference]: Finished difference Result 2062 states and 2925 transitions. [2022-10-16 16:18:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:02,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 16:18:02,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:02,410 INFO L225 Difference]: With dead ends: 2062 [2022-10-16 16:18:02,411 INFO L226 Difference]: Without dead ends: 1403 [2022-10-16 16:18:02,412 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 16:18:02,413 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 680 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:02,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 857 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:18:02,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2022-10-16 16:18:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1394. [2022-10-16 16:18:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1375 states have (on average 1.4123636363636363) internal successors, (1942), 1393 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1942 transitions. [2022-10-16 16:18:02,516 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1942 transitions. Word has length 55 [2022-10-16 16:18:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:02,516 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1942 transitions. [2022-10-16 16:18:02,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1942 transitions. [2022-10-16 16:18:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:18:02,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:02,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:02,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:18:02,518 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:02,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1832363651, now seen corresponding path program 1 times [2022-10-16 16:18:02,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:02,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198885831] [2022-10-16 16:18:02,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:02,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:02,654 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 16:18:02,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:02,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198885831] [2022-10-16 16:18:02,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198885831] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:02,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:02,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:02,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432456164] [2022-10-16 16:18:02,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:02,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:02,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:02,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:02,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:02,658 INFO L87 Difference]: Start difference. First operand 1394 states and 1942 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:03,139 INFO L93 Difference]: Finished difference Result 1898 states and 2674 transitions. [2022-10-16 16:18:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:03,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:18:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:03,149 INFO L225 Difference]: With dead ends: 1898 [2022-10-16 16:18:03,150 INFO L226 Difference]: Without dead ends: 1894 [2022-10-16 16:18:03,150 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 16:18:03,151 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 478 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:03,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 831 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:18:03,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-10-16 16:18:03,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1879. [2022-10-16 16:18:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1861 states have (on average 1.4298764105319721) internal successors, (2661), 1878 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2661 transitions. [2022-10-16 16:18:03,327 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2661 transitions. Word has length 56 [2022-10-16 16:18:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:03,327 INFO L495 AbstractCegarLoop]: Abstraction has 1879 states and 2661 transitions. [2022-10-16 16:18:03,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2661 transitions. [2022-10-16 16:18:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:18:03,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:03,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:03,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:18:03,331 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:03,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1564480857, now seen corresponding path program 1 times [2022-10-16 16:18:03,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:03,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685780793] [2022-10-16 16:18:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:03,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:03,468 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 16:18:03,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:03,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685780793] [2022-10-16 16:18:03,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685780793] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:03,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:03,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:03,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737946467] [2022-10-16 16:18:03,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:03,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:03,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:03,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:03,471 INFO L87 Difference]: Start difference. First operand 1879 states and 2661 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:03,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:03,886 INFO L93 Difference]: Finished difference Result 3577 states and 5161 transitions. [2022-10-16 16:18:03,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:03,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:18:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:03,901 INFO L225 Difference]: With dead ends: 3577 [2022-10-16 16:18:03,901 INFO L226 Difference]: Without dead ends: 2581 [2022-10-16 16:18:03,903 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 16:18:03,904 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 955 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:03,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 441 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2022-10-16 16:18:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 2404. [2022-10-16 16:18:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2389 states have (on average 1.4462118041021348) internal successors, (3455), 2403 states have internal predecessors, (3455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3455 transitions. [2022-10-16 16:18:04,068 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3455 transitions. Word has length 56 [2022-10-16 16:18:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:04,068 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3455 transitions. [2022-10-16 16:18:04,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3455 transitions. [2022-10-16 16:18:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:18:04,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:04,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:04,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:18:04,070 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:04,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:04,071 INFO L85 PathProgramCache]: Analyzing trace with hash 762740243, now seen corresponding path program 1 times [2022-10-16 16:18:04,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:04,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098389647] [2022-10-16 16:18:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:04,185 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 16:18:04,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:04,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098389647] [2022-10-16 16:18:04,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098389647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:04,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:04,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950548849] [2022-10-16 16:18:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:04,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:04,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:04,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:04,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:04,187 INFO L87 Difference]: Start difference. First operand 2404 states and 3455 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:04,546 INFO L93 Difference]: Finished difference Result 2518 states and 3615 transitions. [2022-10-16 16:18:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:04,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:18:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:04,560 INFO L225 Difference]: With dead ends: 2518 [2022-10-16 16:18:04,560 INFO L226 Difference]: Without dead ends: 2514 [2022-10-16 16:18:04,561 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 16:18:04,562 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 565 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:04,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 535 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:04,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-10-16 16:18:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2511. [2022-10-16 16:18:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2497 states have (on average 1.4461353624349218) internal successors, (3611), 2510 states have internal predecessors, (3611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3611 transitions. [2022-10-16 16:18:04,801 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3611 transitions. Word has length 56 [2022-10-16 16:18:04,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:04,802 INFO L495 AbstractCegarLoop]: Abstraction has 2511 states and 3611 transitions. [2022-10-16 16:18:04,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3611 transitions. [2022-10-16 16:18:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:18:04,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:04,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:04,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:18:04,807 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1241004309, now seen corresponding path program 1 times [2022-10-16 16:18:04,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:04,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931025867] [2022-10-16 16:18:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:04,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:04,941 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 16:18:04,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:04,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931025867] [2022-10-16 16:18:04,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931025867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:04,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:04,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:04,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391093550] [2022-10-16 16:18:04,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:04,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:04,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:04,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:04,943 INFO L87 Difference]: Start difference. First operand 2511 states and 3611 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:05,366 INFO L93 Difference]: Finished difference Result 2685 states and 3852 transitions. [2022-10-16 16:18:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:05,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:18:05,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:05,380 INFO L225 Difference]: With dead ends: 2685 [2022-10-16 16:18:05,380 INFO L226 Difference]: Without dead ends: 2678 [2022-10-16 16:18:05,383 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 16:18:05,383 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 403 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:05,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 805 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:05,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2022-10-16 16:18:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2669. [2022-10-16 16:18:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2656 states have (on average 1.4454066265060241) internal successors, (3839), 2668 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 3839 transitions. [2022-10-16 16:18:05,590 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 3839 transitions. Word has length 56 [2022-10-16 16:18:05,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:05,590 INFO L495 AbstractCegarLoop]: Abstraction has 2669 states and 3839 transitions. [2022-10-16 16:18:05,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3839 transitions. [2022-10-16 16:18:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:18:05,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:05,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:05,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:18:05,592 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:05,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:05,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1086216791, now seen corresponding path program 1 times [2022-10-16 16:18:05,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:05,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82139761] [2022-10-16 16:18:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:05,709 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 16:18:05,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:05,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82139761] [2022-10-16 16:18:05,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82139761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:05,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:05,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:05,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385427329] [2022-10-16 16:18:05,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:05,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:05,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:05,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:05,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:05,711 INFO L87 Difference]: Start difference. First operand 2669 states and 3839 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:06,136 INFO L93 Difference]: Finished difference Result 4904 states and 7147 transitions. [2022-10-16 16:18:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:06,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 16:18:06,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:06,152 INFO L225 Difference]: With dead ends: 4904 [2022-10-16 16:18:06,152 INFO L226 Difference]: Without dead ends: 2771 [2022-10-16 16:18:06,155 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 16:18:06,156 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 749 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:06,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 492 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2022-10-16 16:18:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2489. [2022-10-16 16:18:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2478 states have (on average 1.447134786117837) internal successors, (3586), 2488 states have internal predecessors, (3586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 3586 transitions. [2022-10-16 16:18:06,338 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 3586 transitions. Word has length 56 [2022-10-16 16:18:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:06,338 INFO L495 AbstractCegarLoop]: Abstraction has 2489 states and 3586 transitions. [2022-10-16 16:18:06,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 3586 transitions. [2022-10-16 16:18:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:18:06,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:06,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:06,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:18:06,340 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash 968699019, now seen corresponding path program 1 times [2022-10-16 16:18:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:06,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614198853] [2022-10-16 16:18:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:06,466 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 16:18:06,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:06,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614198853] [2022-10-16 16:18:06,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614198853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:06,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:06,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020557567] [2022-10-16 16:18:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:06,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:06,469 INFO L87 Difference]: Start difference. First operand 2489 states and 3586 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:06,774 INFO L93 Difference]: Finished difference Result 2972 states and 4295 transitions. [2022-10-16 16:18:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 16:18:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:06,784 INFO L225 Difference]: With dead ends: 2972 [2022-10-16 16:18:06,785 INFO L226 Difference]: Without dead ends: 1879 [2022-10-16 16:18:06,787 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 16:18:06,787 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 420 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:06,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 511 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2022-10-16 16:18:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1378. [2022-10-16 16:18:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1368 states have (on average 1.4254385964912282) internal successors, (1950), 1377 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1950 transitions. [2022-10-16 16:18:06,898 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1950 transitions. Word has length 57 [2022-10-16 16:18:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:06,898 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1950 transitions. [2022-10-16 16:18:06,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1950 transitions. [2022-10-16 16:18:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:18:06,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:06,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:06,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:18:06,900 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:06,901 INFO L85 PathProgramCache]: Analyzing trace with hash -357754194, now seen corresponding path program 1 times [2022-10-16 16:18:06,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:06,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943344464] [2022-10-16 16:18:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:06,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:07,014 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 16:18:07,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:07,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943344464] [2022-10-16 16:18:07,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943344464] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:07,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:07,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:07,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023738787] [2022-10-16 16:18:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:07,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:07,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:07,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:07,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:07,023 INFO L87 Difference]: Start difference. First operand 1378 states and 1950 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:07,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:07,313 INFO L93 Difference]: Finished difference Result 1425 states and 2012 transitions. [2022-10-16 16:18:07,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:07,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 16:18:07,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:07,320 INFO L225 Difference]: With dead ends: 1425 [2022-10-16 16:18:07,320 INFO L226 Difference]: Without dead ends: 1330 [2022-10-16 16:18:07,321 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 16:18:07,321 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 290 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:07,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 711 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-16 16:18:07,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1326. [2022-10-16 16:18:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1317 states have (on average 1.422171602126044) internal successors, (1873), 1325 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1873 transitions. [2022-10-16 16:18:07,421 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1873 transitions. Word has length 57 [2022-10-16 16:18:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:07,421 INFO L495 AbstractCegarLoop]: Abstraction has 1326 states and 1873 transitions. [2022-10-16 16:18:07,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1873 transitions. [2022-10-16 16:18:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:18:07,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:07,423 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 16:18:07,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:18:07,423 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:07,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:07,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1739579943, now seen corresponding path program 1 times [2022-10-16 16:18:07,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:07,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325981095] [2022-10-16 16:18:07,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:07,565 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 16:18:07,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:07,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325981095] [2022-10-16 16:18:07,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325981095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:07,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:07,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:07,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376578562] [2022-10-16 16:18:07,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:07,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:07,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:07,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:07,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:07,568 INFO L87 Difference]: Start difference. First operand 1326 states and 1873 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:07,920 INFO L93 Difference]: Finished difference Result 1435 states and 2017 transitions. [2022-10-16 16:18:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:07,921 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 16:18:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:07,925 INFO L225 Difference]: With dead ends: 1435 [2022-10-16 16:18:07,925 INFO L226 Difference]: Without dead ends: 1268 [2022-10-16 16:18:07,926 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 16:18:07,927 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 232 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:07,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 766 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:07,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2022-10-16 16:18:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1256. [2022-10-16 16:18:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1247 states have (on average 1.4266238973536487) internal successors, (1779), 1255 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1779 transitions. [2022-10-16 16:18:08,024 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1779 transitions. Word has length 78 [2022-10-16 16:18:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:08,025 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1779 transitions. [2022-10-16 16:18:08,025 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 16:18:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1779 transitions. [2022-10-16 16:18:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:18:08,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:08,027 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:08,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:18:08,027 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1952565287, now seen corresponding path program 1 times [2022-10-16 16:18:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:08,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178480519] [2022-10-16 16:18:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:08,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:08,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178480519] [2022-10-16 16:18:08,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178480519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:08,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:08,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:08,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515525837] [2022-10-16 16:18:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:08,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:08,116 INFO L87 Difference]: Start difference. First operand 1256 states and 1779 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:08,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:08,368 INFO L93 Difference]: Finished difference Result 3120 states and 4522 transitions. [2022-10-16 16:18:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:08,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:18:08,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:08,376 INFO L225 Difference]: With dead ends: 3120 [2022-10-16 16:18:08,376 INFO L226 Difference]: Without dead ends: 2043 [2022-10-16 16:18:08,378 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 16:18:08,379 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 197 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:08,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 358 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:18:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-10-16 16:18:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 2000. [2022-10-16 16:18:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1991 states have (on average 1.431943746860874) internal successors, (2851), 1999 states have internal predecessors, (2851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2851 transitions. [2022-10-16 16:18:08,610 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2851 transitions. Word has length 109 [2022-10-16 16:18:08,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:08,610 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2851 transitions. [2022-10-16 16:18:08,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2851 transitions. [2022-10-16 16:18:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:18:08,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:08,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:08,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:18:08,614 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:08,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash -778961505, now seen corresponding path program 1 times [2022-10-16 16:18:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:08,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052023129] [2022-10-16 16:18:08,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:08,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:08,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:08,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052023129] [2022-10-16 16:18:08,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052023129] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:08,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835788203] [2022-10-16 16:18:08,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:08,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:08,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:08,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:08,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:18:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:08,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:18:08,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:18:09,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:09,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835788203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:09,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:09,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:18:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038809693] [2022-10-16 16:18:09,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:09,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:09,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:09,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:09,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:09,082 INFO L87 Difference]: Start difference. First operand 2000 states and 2851 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:09,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:09,664 INFO L93 Difference]: Finished difference Result 5704 states and 8241 transitions. [2022-10-16 16:18:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:09,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 16:18:09,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:09,676 INFO L225 Difference]: With dead ends: 5704 [2022-10-16 16:18:09,676 INFO L226 Difference]: Without dead ends: 3787 [2022-10-16 16:18:09,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:18:09,682 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 835 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:09,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 238 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2022-10-16 16:18:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3776. [2022-10-16 16:18:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3776 states, 3767 states have (on average 1.4422617467480754) internal successors, (5433), 3775 states have internal predecessors, (5433), 0 states have call successors, (0), 0 states 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 16:18:10,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3776 states and 5433 transitions. [2022-10-16 16:18:10,196 INFO L78 Accepts]: Start accepts. Automaton has 3776 states and 5433 transitions. Word has length 109 [2022-10-16 16:18:10,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:10,197 INFO L495 AbstractCegarLoop]: Abstraction has 3776 states and 5433 transitions. [2022-10-16 16:18:10,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:10,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3776 states and 5433 transitions. [2022-10-16 16:18:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:18:10,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:10,201 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:10,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:10,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-10-16 16:18:10,414 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1743525699, now seen corresponding path program 1 times [2022-10-16 16:18:10,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:10,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275542221] [2022-10-16 16:18:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:10,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:10,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275542221] [2022-10-16 16:18:10,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275542221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:10,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336114282] [2022-10-16 16:18:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:10,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:10,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:10,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:10,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:18:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:10,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:18:10,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:18:10,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:10,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336114282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:10,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:10,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:18:10,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249977932] [2022-10-16 16:18:10,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:10,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:10,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:10,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:10,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:10,908 INFO L87 Difference]: Start difference. First operand 3776 states and 5433 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:11,473 INFO L93 Difference]: Finished difference Result 7469 states and 10780 transitions. [2022-10-16 16:18:11,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:11,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:18:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:11,481 INFO L225 Difference]: With dead ends: 7469 [2022-10-16 16:18:11,481 INFO L226 Difference]: Without dead ends: 3747 [2022-10-16 16:18:11,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:18:11,488 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 344 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:11,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 139 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2022-10-16 16:18:11,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3747. [2022-10-16 16:18:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 3738 states have (on average 1.4237560192616372) internal successors, (5322), 3746 states have internal predecessors, (5322), 0 states have call successors, (0), 0 states 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 16:18:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5322 transitions. [2022-10-16 16:18:11,879 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5322 transitions. Word has length 110 [2022-10-16 16:18:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:11,879 INFO L495 AbstractCegarLoop]: Abstraction has 3747 states and 5322 transitions. [2022-10-16 16:18:11,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5322 transitions. [2022-10-16 16:18:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:18:11,883 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:11,883 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:11,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:12,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 16:18:12,094 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:12,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash -177565223, now seen corresponding path program 1 times [2022-10-16 16:18:12,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:12,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356664105] [2022-10-16 16:18:12,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:12,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:12,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:12,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356664105] [2022-10-16 16:18:12,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356664105] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:12,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486596224] [2022-10-16 16:18:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:12,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:12,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:12,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:18:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:12,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:18:12,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:18:12,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:12,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486596224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:12,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:12,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:18:12,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404901909] [2022-10-16 16:18:12,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:12,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:18:12,486 INFO L87 Difference]: Start difference. First operand 3747 states and 5322 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:12,881 INFO L93 Difference]: Finished difference Result 7440 states and 10589 transitions. [2022-10-16 16:18:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:12,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 16:18:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:12,888 INFO L225 Difference]: With dead ends: 7440 [2022-10-16 16:18:12,888 INFO L226 Difference]: Without dead ends: 3734 [2022-10-16 16:18:12,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:18:12,894 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 306 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:12,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 134 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2022-10-16 16:18:13,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3734. [2022-10-16 16:18:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 3725 states have (on average 1.403489932885906) internal successors, (5228), 3733 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 16:18:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5228 transitions. [2022-10-16 16:18:13,338 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5228 transitions. Word has length 111 [2022-10-16 16:18:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:13,338 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5228 transitions. [2022-10-16 16:18:13,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5228 transitions. [2022-10-16 16:18:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:18:13,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:13,343 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:13,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:13,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:13,558 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1799647140, now seen corresponding path program 1 times [2022-10-16 16:18:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:13,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849830289] [2022-10-16 16:18:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:13,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:13,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849830289] [2022-10-16 16:18:13,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849830289] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:13,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740487352] [2022-10-16 16:18:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:13,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:13,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:13,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:13,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:18:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:13,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:18:13,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:18:14,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:14,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740487352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:14,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:14,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:18:14,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365939097] [2022-10-16 16:18:14,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:14,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:18:14,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:14,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:18:14,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:18:14,180 INFO L87 Difference]: Start difference. First operand 3734 states and 5228 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:16,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:16,069 INFO L93 Difference]: Finished difference Result 17602 states and 24688 transitions. [2022-10-16 16:18:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:18:16,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 16:18:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:16,111 INFO L225 Difference]: With dead ends: 17602 [2022-10-16 16:18:16,111 INFO L226 Difference]: Without dead ends: 13971 [2022-10-16 16:18:16,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:18:16,123 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 866 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:16,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 414 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:18:16,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13971 states. [2022-10-16 16:18:17,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13971 to 6806. [2022-10-16 16:18:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6806 states, 6797 states have (on average 1.4076798587612183) internal successors, (9568), 6805 states have internal predecessors, (9568), 0 states have call successors, (0), 0 states 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 16:18:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 9568 transitions. [2022-10-16 16:18:17,063 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 9568 transitions. Word has length 112 [2022-10-16 16:18:17,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:17,064 INFO L495 AbstractCegarLoop]: Abstraction has 6806 states and 9568 transitions. [2022-10-16 16:18:17,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 9568 transitions. [2022-10-16 16:18:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:18:17,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:17,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:17,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:17,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:17,283 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash -902150415, now seen corresponding path program 1 times [2022-10-16 16:18:17,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:17,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737081328] [2022-10-16 16:18:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:17,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:17,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737081328] [2022-10-16 16:18:17,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737081328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:17,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:17,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:17,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73878263] [2022-10-16 16:18:17,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:17,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:18:17,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:17,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:18:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:18:17,380 INFO L87 Difference]: Start difference. First operand 6806 states and 9568 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:18,812 INFO L93 Difference]: Finished difference Result 14686 states and 20628 transitions. [2022-10-16 16:18:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:18:18,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:18:18,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:18,832 INFO L225 Difference]: With dead ends: 14686 [2022-10-16 16:18:18,832 INFO L226 Difference]: Without dead ends: 7983 [2022-10-16 16:18:18,845 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 16:18:18,846 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 64 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:18,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 360 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7983 states. [2022-10-16 16:18:19,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7983 to 7716. [2022-10-16 16:18:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7716 states, 7707 states have (on average 1.3925003243804335) internal successors, (10732), 7715 states have internal predecessors, (10732), 0 states have call successors, (0), 0 states 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 16:18:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 10732 transitions. [2022-10-16 16:18:19,894 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 10732 transitions. Word has length 116 [2022-10-16 16:18:19,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:19,894 INFO L495 AbstractCegarLoop]: Abstraction has 7716 states and 10732 transitions. [2022-10-16 16:18:19,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 10732 transitions. [2022-10-16 16:18:19,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:18:19,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:19,898 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:19,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:18:19,899 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:19,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:19,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1485719602, now seen corresponding path program 1 times [2022-10-16 16:18:19,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:19,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758773535] [2022-10-16 16:18:19,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:19,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:20,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:20,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758773535] [2022-10-16 16:18:20,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758773535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:20,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:20,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:20,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114734801] [2022-10-16 16:18:20,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:20,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:20,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:20,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:20,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:20,174 INFO L87 Difference]: Start difference. First operand 7716 states and 10732 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:21,814 INFO L93 Difference]: Finished difference Result 8159 states and 11330 transitions. [2022-10-16 16:18:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:21,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-16 16:18:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:21,832 INFO L225 Difference]: With dead ends: 8159 [2022-10-16 16:18:21,833 INFO L226 Difference]: Without dead ends: 8156 [2022-10-16 16:18:21,836 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 16:18:21,836 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 190 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:21,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 469 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:21,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8156 states. [2022-10-16 16:18:23,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8156 to 7276. [2022-10-16 16:18:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7276 states, 7267 states have (on average 1.392321453144351) internal successors, (10118), 7275 states have internal predecessors, (10118), 0 states have call successors, (0), 0 states 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 16:18:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7276 states to 7276 states and 10118 transitions. [2022-10-16 16:18:23,082 INFO L78 Accepts]: Start accepts. Automaton has 7276 states and 10118 transitions. Word has length 116 [2022-10-16 16:18:23,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:23,082 INFO L495 AbstractCegarLoop]: Abstraction has 7276 states and 10118 transitions. [2022-10-16 16:18:23,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 7276 states and 10118 transitions. [2022-10-16 16:18:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:18:23,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:23,086 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:23,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:18:23,087 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:23,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:23,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1039594247, now seen corresponding path program 1 times [2022-10-16 16:18:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:23,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184624510] [2022-10-16 16:18:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:23,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:23,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184624510] [2022-10-16 16:18:23,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184624510] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:23,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903671554] [2022-10-16 16:18:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:23,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:23,213 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:23,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:18:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:23,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:18:23,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:18:23,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:18:23,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903671554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:23,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:18:23,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:18:23,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153983925] [2022-10-16 16:18:23,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:23,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:18:23,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:23,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:18:23,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:18:23,595 INFO L87 Difference]: Start difference. First operand 7276 states and 10118 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:27,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:27,677 INFO L93 Difference]: Finished difference Result 36716 states and 50866 transitions. [2022-10-16 16:18:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:18:27,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 16:18:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:27,735 INFO L225 Difference]: With dead ends: 36716 [2022-10-16 16:18:27,736 INFO L226 Difference]: Without dead ends: 29543 [2022-10-16 16:18:27,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:18:27,754 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 973 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:27,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 357 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29543 states. [2022-10-16 16:18:30,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29543 to 15712. [2022-10-16 16:18:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15712 states, 15703 states have (on average 1.3955931987518309) internal successors, (21915), 15711 states have internal predecessors, (21915), 0 states have call successors, (0), 0 states 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 16:18:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15712 states to 15712 states and 21915 transitions. [2022-10-16 16:18:30,543 INFO L78 Accepts]: Start accepts. Automaton has 15712 states and 21915 transitions. Word has length 118 [2022-10-16 16:18:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:30,544 INFO L495 AbstractCegarLoop]: Abstraction has 15712 states and 21915 transitions. [2022-10-16 16:18:30,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 15712 states and 21915 transitions. [2022-10-16 16:18:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 16:18:30,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:30,553 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:30,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:30,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 16:18:30,769 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:30,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -820323965, now seen corresponding path program 1 times [2022-10-16 16:18:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:30,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53420969] [2022-10-16 16:18:30,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:30,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:18:31,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:31,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53420969] [2022-10-16 16:18:31,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53420969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:31,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:31,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:18:31,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441553970] [2022-10-16 16:18:31,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:31,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:31,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:31,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:31,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:31,087 INFO L87 Difference]: Start difference. First operand 15712 states and 21915 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:33,671 INFO L93 Difference]: Finished difference Result 31324 states and 43717 transitions. [2022-10-16 16:18:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:33,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-10-16 16:18:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:33,693 INFO L225 Difference]: With dead ends: 31324 [2022-10-16 16:18:33,694 INFO L226 Difference]: Without dead ends: 15715 [2022-10-16 16:18:33,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:18:33,719 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 290 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:33,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 252 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:33,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15715 states. [2022-10-16 16:18:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15715 to 15712. [2022-10-16 16:18:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15712 states, 15703 states have (on average 1.3930459147933516) internal successors, (21875), 15711 states have internal predecessors, (21875), 0 states have call successors, (0), 0 states 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 16:18:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15712 states to 15712 states and 21875 transitions. [2022-10-16 16:18:35,847 INFO L78 Accepts]: Start accepts. Automaton has 15712 states and 21875 transitions. Word has length 141 [2022-10-16 16:18:35,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:35,847 INFO L495 AbstractCegarLoop]: Abstraction has 15712 states and 21875 transitions. [2022-10-16 16:18:35,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 15712 states and 21875 transitions. [2022-10-16 16:18:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 16:18:35,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:35,855 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:35,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:18:35,856 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:35,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:35,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1382352118, now seen corresponding path program 1 times [2022-10-16 16:18:35,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:35,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692506185] [2022-10-16 16:18:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:35,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:36,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:36,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692506185] [2022-10-16 16:18:36,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692506185] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:18:36,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075108525] [2022-10-16 16:18:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:36,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:18:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:18:36,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:18:36,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:18:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:36,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:18:36,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:18:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:36,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:18:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:18:36,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075108525] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:18:36,873 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:18:36,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 16:18:36,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856907356] [2022-10-16 16:18:36,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:18:36,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 16:18:36,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 16:18:36,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:18:36,876 INFO L87 Difference]: Start difference. First operand 15712 states and 21875 transitions. Second operand has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:41,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:41,986 INFO L93 Difference]: Finished difference Result 50596 states and 69687 transitions. [2022-10-16 16:18:41,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:18:41,986 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-10-16 16:18:41,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:42,043 INFO L225 Difference]: With dead ends: 50596 [2022-10-16 16:18:42,043 INFO L226 Difference]: Without dead ends: 34987 [2022-10-16 16:18:42,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:18:42,065 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2077 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:42,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 647 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:18:42,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34987 states. [2022-10-16 16:18:45,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34987 to 21460. [2022-10-16 16:18:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21460 states, 21451 states have (on average 1.3522446505990398) internal successors, (29007), 21459 states have internal predecessors, (29007), 0 states have call successors, (0), 0 states 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 16:18:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21460 states to 21460 states and 29007 transitions. [2022-10-16 16:18:45,574 INFO L78 Accepts]: Start accepts. Automaton has 21460 states and 29007 transitions. Word has length 142 [2022-10-16 16:18:45,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:45,575 INFO L495 AbstractCegarLoop]: Abstraction has 21460 states and 29007 transitions. [2022-10-16 16:18:45,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 28.642857142857142) internal successors, (401), 14 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21460 states and 29007 transitions. [2022-10-16 16:18:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-16 16:18:45,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:45,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:45,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 16:18:45,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 16:18:45,800 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:45,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1606556558, now seen corresponding path program 1 times [2022-10-16 16:18:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:45,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387168645] [2022-10-16 16:18:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:18:45,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:45,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387168645] [2022-10-16 16:18:45,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387168645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:45,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:45,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:18:45,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080567059] [2022-10-16 16:18:45,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:45,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:18:45,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:45,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:18:45,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:18:45,963 INFO L87 Difference]: Start difference. First operand 21460 states and 29007 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:49,587 INFO L93 Difference]: Finished difference Result 22188 states and 29973 transitions. [2022-10-16 16:18:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:18:49,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2022-10-16 16:18:49,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:49,623 INFO L225 Difference]: With dead ends: 22188 [2022-10-16 16:18:49,623 INFO L226 Difference]: Without dead ends: 22185 [2022-10-16 16:18:49,630 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 16:18:49,631 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 112 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:49,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 542 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:49,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22185 states. [2022-10-16 16:18:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22185 to 21457. [2022-10-16 16:18:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21457 states, 21451 states have (on average 1.3214768542259103) internal successors, (28347), 21456 states have internal predecessors, (28347), 0 states have call successors, (0), 0 states 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 16:18:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21457 states to 21457 states and 28347 transitions. [2022-10-16 16:18:52,832 INFO L78 Accepts]: Start accepts. Automaton has 21457 states and 28347 transitions. Word has length 146 [2022-10-16 16:18:52,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:52,832 INFO L495 AbstractCegarLoop]: Abstraction has 21457 states and 28347 transitions. [2022-10-16 16:18:52,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 21457 states and 28347 transitions. [2022-10-16 16:18:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 16:18:52,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:52,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:52,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:18:52,843 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:52,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:52,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2007602224, now seen corresponding path program 1 times [2022-10-16 16:18:52,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:52,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305736562] [2022-10-16 16:18:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:18:53,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:53,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305736562] [2022-10-16 16:18:53,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305736562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:53,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:53,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:53,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600337336] [2022-10-16 16:18:53,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:53,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:53,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:53,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:53,044 INFO L87 Difference]: Start difference. First operand 21457 states and 28347 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:18:56,288 INFO L93 Difference]: Finished difference Result 21463 states and 28347 transitions. [2022-10-16 16:18:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:18:56,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2022-10-16 16:18:56,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:18:56,315 INFO L225 Difference]: With dead ends: 21463 [2022-10-16 16:18:56,315 INFO L226 Difference]: Without dead ends: 21460 [2022-10-16 16:18:56,321 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 16:18:56,322 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 157 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:18:56,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 590 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:18:56,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21460 states. [2022-10-16 16:18:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21460 to 21457. [2022-10-16 16:18:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21457 states, 21451 states have (on average 1.3158827094307957) internal successors, (28227), 21456 states have internal predecessors, (28227), 0 states have call successors, (0), 0 states 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 16:18:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21457 states to 21457 states and 28227 transitions. [2022-10-16 16:18:59,713 INFO L78 Accepts]: Start accepts. Automaton has 21457 states and 28227 transitions. Word has length 148 [2022-10-16 16:18:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:18:59,714 INFO L495 AbstractCegarLoop]: Abstraction has 21457 states and 28227 transitions. [2022-10-16 16:18:59,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:18:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21457 states and 28227 transitions. [2022-10-16 16:18:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 16:18:59,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:18:59,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:18:59,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:18:59,721 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:18:59,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:18:59,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2106127093, now seen corresponding path program 1 times [2022-10-16 16:18:59,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:18:59,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564444744] [2022-10-16 16:18:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:18:59,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:18:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:18:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:18:59,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:18:59,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564444744] [2022-10-16 16:18:59,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564444744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:18:59,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:18:59,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:18:59,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050621296] [2022-10-16 16:18:59,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:18:59,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:18:59,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:18:59,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:18:59,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:18:59,936 INFO L87 Difference]: Start difference. First operand 21457 states and 28227 transitions. Second operand has 5 states, 4 states have (on average 35.5) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:02,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:02,144 INFO L93 Difference]: Finished difference Result 25718 states and 34049 transitions. [2022-10-16 16:19:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:02,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.5) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-10-16 16:19:02,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:02,161 INFO L225 Difference]: With dead ends: 25718 [2022-10-16 16:19:02,161 INFO L226 Difference]: Without dead ends: 12364 [2022-10-16 16:19:02,172 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 16:19:02,172 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 150 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:02,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 505 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2022-10-16 16:19:03,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 9094. [2022-10-16 16:19:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9094 states, 9091 states have (on average 1.2969970300296998) internal successors, (11791), 9093 states have internal predecessors, (11791), 0 states have call successors, (0), 0 states 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 16:19:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9094 states to 9094 states and 11791 transitions. [2022-10-16 16:19:03,883 INFO L78 Accepts]: Start accepts. Automaton has 9094 states and 11791 transitions. Word has length 149 [2022-10-16 16:19:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:03,884 INFO L495 AbstractCegarLoop]: Abstraction has 9094 states and 11791 transitions. [2022-10-16 16:19:03,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.5) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:19:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 9094 states and 11791 transitions. [2022-10-16 16:19:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-16 16:19:03,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:03,896 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:03,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:19:03,897 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:19:03,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:03,897 INFO L85 PathProgramCache]: Analyzing trace with hash 470064784, now seen corresponding path program 1 times [2022-10-16 16:19:03,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:03,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430023427] [2022-10-16 16:19:03,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 16:19:04,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:04,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430023427] [2022-10-16 16:19:04,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430023427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:04,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:04,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211428880] [2022-10-16 16:19:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:04,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:04,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:04,103 INFO L87 Difference]: Start difference. First operand 9094 states and 11791 transitions. Second operand has 5 states, 4 states have (on average 37.75) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states 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 16:19:06,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:06,337 INFO L93 Difference]: Finished difference Result 11969 states and 15607 transitions. [2022-10-16 16:19:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:06,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.75) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 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 167 [2022-10-16 16:19:06,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:06,347 INFO L225 Difference]: With dead ends: 11969 [2022-10-16 16:19:06,347 INFO L226 Difference]: Without dead ends: 9096 [2022-10-16 16:19:06,350 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 16:19:06,351 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 166 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:06,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 614 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:06,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9096 states. [2022-10-16 16:19:07,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9096 to 9058. [2022-10-16 16:19:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9058 states, 9055 states have (on average 1.2937603533959139) internal successors, (11715), 9057 states have internal predecessors, (11715), 0 states have call successors, (0), 0 states 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 16:19:07,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9058 states to 9058 states and 11715 transitions. [2022-10-16 16:19:07,874 INFO L78 Accepts]: Start accepts. Automaton has 9058 states and 11715 transitions. Word has length 167 [2022-10-16 16:19:07,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:07,875 INFO L495 AbstractCegarLoop]: Abstraction has 9058 states and 11715 transitions. [2022-10-16 16:19:07,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.75) internal successors, (151), 5 states have internal predecessors, (151), 0 states have call successors, (0), 0 states 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 16:19:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9058 states and 11715 transitions. [2022-10-16 16:19:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 16:19:07,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:07,885 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:07,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:19:07,885 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:19:07,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:07,886 INFO L85 PathProgramCache]: Analyzing trace with hash 715962494, now seen corresponding path program 1 times [2022-10-16 16:19:07,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:07,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024234288] [2022-10-16 16:19:07,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:19:08,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:08,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024234288] [2022-10-16 16:19:08,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024234288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:08,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:08,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950661905] [2022-10-16 16:19:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:08,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:08,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:08,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:08,118 INFO L87 Difference]: Start difference. First operand 9058 states and 11715 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states 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 16:19:09,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:09,928 INFO L93 Difference]: Finished difference Result 9581 states and 12415 transitions. [2022-10-16 16:19:09,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:09,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 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 173 [2022-10-16 16:19:09,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:09,939 INFO L225 Difference]: With dead ends: 9581 [2022-10-16 16:19:09,939 INFO L226 Difference]: Without dead ends: 7540 [2022-10-16 16:19:09,943 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 16:19:09,943 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 122 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:09,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 525 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7540 states. [2022-10-16 16:19:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7540 to 6478. [2022-10-16 16:19:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6478 states, 6475 states have (on average 1.287876447876448) internal successors, (8339), 6477 states have internal predecessors, (8339), 0 states have call successors, (0), 0 states 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 16:19:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6478 states to 6478 states and 8339 transitions. [2022-10-16 16:19:11,171 INFO L78 Accepts]: Start accepts. Automaton has 6478 states and 8339 transitions. Word has length 173 [2022-10-16 16:19:11,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:11,172 INFO L495 AbstractCegarLoop]: Abstraction has 6478 states and 8339 transitions. [2022-10-16 16:19:11,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states 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 16:19:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 6478 states and 8339 transitions. [2022-10-16 16:19:11,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-16 16:19:11,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:11,178 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:11,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:19:11,178 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:19:11,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1905430968, now seen corresponding path program 2 times [2022-10-16 16:19:11,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:11,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085096402] [2022-10-16 16:19:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:19:11,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:11,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085096402] [2022-10-16 16:19:11,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085096402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:11,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:11,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17623673] [2022-10-16 16:19:11,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:11,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:11,398 INFO L87 Difference]: Start difference. First operand 6478 states and 8339 transitions. Second operand has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 16:19:12,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:12,864 INFO L93 Difference]: Finished difference Result 7000 states and 9039 transitions. [2022-10-16 16:19:12,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:12,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 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 173 [2022-10-16 16:19:12,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:12,869 INFO L225 Difference]: With dead ends: 7000 [2022-10-16 16:19:12,870 INFO L226 Difference]: Without dead ends: 5191 [2022-10-16 16:19:12,871 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 16:19:12,872 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 148 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:12,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 594 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:12,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5191 states. [2022-10-16 16:19:13,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5191 to 5158. [2022-10-16 16:19:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5158 states, 5155 states have (on average 1.2808923375363725) internal successors, (6603), 5157 states have internal predecessors, (6603), 0 states have call successors, (0), 0 states 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 16:19:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5158 states to 5158 states and 6603 transitions. [2022-10-16 16:19:13,729 INFO L78 Accepts]: Start accepts. Automaton has 5158 states and 6603 transitions. Word has length 173 [2022-10-16 16:19:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:13,729 INFO L495 AbstractCegarLoop]: Abstraction has 5158 states and 6603 transitions. [2022-10-16 16:19:13,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 16:19:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 5158 states and 6603 transitions. [2022-10-16 16:19:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-16 16:19:13,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:13,736 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:13,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:19:13,736 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:19:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash -875596737, now seen corresponding path program 1 times [2022-10-16 16:19:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:13,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16429160] [2022-10-16 16:19:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 16:19:13,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:13,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16429160] [2022-10-16 16:19:13,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16429160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:13,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:13,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:13,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417468434] [2022-10-16 16:19:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:13,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:13,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:13,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:13,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:13,954 INFO L87 Difference]: Start difference. First operand 5158 states and 6603 transitions. Second operand has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states 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 16:19:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:14,947 INFO L93 Difference]: Finished difference Result 5159 states and 6603 transitions. [2022-10-16 16:19:14,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:14,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 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 177 [2022-10-16 16:19:14,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:14,953 INFO L225 Difference]: With dead ends: 5159 [2022-10-16 16:19:14,953 INFO L226 Difference]: Without dead ends: 5156 [2022-10-16 16:19:14,954 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 16:19:14,955 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 143 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:14,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 445 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2022-10-16 16:19:15,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 5156. [2022-10-16 16:19:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5155 states have (on average 1.2684772065955383) internal successors, (6539), 5155 states have internal predecessors, (6539), 0 states have call successors, (0), 0 states 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 16:19:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 6539 transitions. [2022-10-16 16:19:15,797 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 6539 transitions. Word has length 177 [2022-10-16 16:19:15,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:15,797 INFO L495 AbstractCegarLoop]: Abstraction has 5156 states and 6539 transitions. [2022-10-16 16:19:15,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states 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 16:19:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 6539 transitions. [2022-10-16 16:19:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 16:19:15,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:19:15,803 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:19:15,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:19:15,803 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 16:19:15,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:19:15,803 INFO L85 PathProgramCache]: Analyzing trace with hash -399549298, now seen corresponding path program 1 times [2022-10-16 16:19:15,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:19:15,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606961227] [2022-10-16 16:19:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:19:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:19:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:19:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 16:19:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:19:16,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606961227] [2022-10-16 16:19:16,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606961227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:19:16,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:19:16,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:19:16,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155672548] [2022-10-16 16:19:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:19:16,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:19:16,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:19:16,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:19:16,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:19:16,006 INFO L87 Difference]: Start difference. First operand 5156 states and 6539 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states 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 16:19:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:19:17,049 INFO L93 Difference]: Finished difference Result 5156 states and 6539 transitions. [2022-10-16 16:19:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:19:17,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 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 179 [2022-10-16 16:19:17,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:19:17,050 INFO L225 Difference]: With dead ends: 5156 [2022-10-16 16:19:17,051 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:19:17,053 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 16:19:17,054 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 146 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:19:17,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 658 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:19:17,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:19:17,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:19:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states 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 16:19:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:19:17,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2022-10-16 16:19:17,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:19:17,055 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:19:17,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states 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 16:19:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:19:17,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:19:17,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 128 remaining) [2022-10-16 16:19:17,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 128 remaining) [2022-10-16 16:19:17,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 128 remaining) [2022-10-16 16:19:17,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 128 remaining) [2022-10-16 16:19:17,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 128 remaining) [2022-10-16 16:19:17,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 128 remaining) [2022-10-16 16:19:17,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 128 remaining) [2022-10-16 16:19:17,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 128 remaining) [2022-10-16 16:19:17,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 128 remaining) [2022-10-16 16:19:17,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 128 remaining) [2022-10-16 16:19:17,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 128 remaining) [2022-10-16 16:19:17,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 128 remaining) [2022-10-16 16:19:17,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 128 remaining) [2022-10-16 16:19:17,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 128 remaining) [2022-10-16 16:19:17,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 128 remaining) [2022-10-16 16:19:17,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 128 remaining) [2022-10-16 16:19:17,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 128 remaining) [2022-10-16 16:19:17,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 128 remaining) [2022-10-16 16:19:17,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 128 remaining) [2022-10-16 16:19:17,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 128 remaining) [2022-10-16 16:19:17,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 128 remaining) [2022-10-16 16:19:17,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 128 remaining) [2022-10-16 16:19:17,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 128 remaining) [2022-10-16 16:19:17,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 128 remaining) [2022-10-16 16:19:17,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 128 remaining) [2022-10-16 16:19:17,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 128 remaining) [2022-10-16 16:19:17,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 128 remaining) [2022-10-16 16:19:17,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 128 remaining) [2022-10-16 16:19:17,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 128 remaining) [2022-10-16 16:19:17,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 128 remaining) [2022-10-16 16:19:17,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 128 remaining) [2022-10-16 16:19:17,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 128 remaining) [2022-10-16 16:19:17,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 128 remaining) [2022-10-16 16:19:17,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 128 remaining) [2022-10-16 16:19:17,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 128 remaining) [2022-10-16 16:19:17,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 128 remaining) [2022-10-16 16:19:17,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 128 remaining) [2022-10-16 16:19:17,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 128 remaining) [2022-10-16 16:19:17,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 128 remaining) [2022-10-16 16:19:17,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 128 remaining) [2022-10-16 16:19:17,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 128 remaining) [2022-10-16 16:19:17,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 128 remaining) [2022-10-16 16:19:17,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 128 remaining) [2022-10-16 16:19:17,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 128 remaining) [2022-10-16 16:19:17,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 128 remaining) [2022-10-16 16:19:17,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 128 remaining) [2022-10-16 16:19:17,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 128 remaining) [2022-10-16 16:19:17,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 128 remaining) [2022-10-16 16:19:17,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 128 remaining) [2022-10-16 16:19:17,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 128 remaining) [2022-10-16 16:19:17,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 128 remaining) [2022-10-16 16:19:17,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 128 remaining) [2022-10-16 16:19:17,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:19:17,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.