/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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:04:56,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:04:56,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:04:56,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:04:56,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:04:56,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:04:56,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:04:56,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:04:56,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:04:56,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:04:56,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:04:56,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:04:56,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:04:56,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:04:56,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:04:56,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:04:56,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:04:56,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:04:56,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:04:56,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:04:56,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:04:56,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:04:56,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:04:56,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:04:56,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:04:56,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:04:56,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:04:56,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:04:56,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:04:56,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:04:56,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:04:56,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:04:56,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:04:56,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:04:56,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:04:56,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:04:56,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:04:56,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:04:56,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:04:56,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:04:56,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:04:56,777 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 13:04:56,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:04:56,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:04:56,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:04:56,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:04:56,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:04:56,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:04:56,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:04:56,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:04:56,838 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:04:56,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:04:56,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:04:56,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:04:56,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:04:56,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:04:56,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:04:56,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:04:56,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:04:56,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:04:56,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:04:56,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:04:56,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:04:56,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:04:56,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:04:56,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:04:56,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:04:56,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:04:56,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:04:56,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:04:56,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:04:57,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:04:57,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:04:57,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:04:57,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:04:57,320 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:04:57,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2022-10-16 13:04:57,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fffb47f0/6a2d2077cb414754a0fae397f77e618d/FLAG20212be73 [2022-10-16 13:04:58,442 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:04:58,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2022-10-16 13:04:58,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fffb47f0/6a2d2077cb414754a0fae397f77e618d/FLAG20212be73 [2022-10-16 13:04:58,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fffb47f0/6a2d2077cb414754a0fae397f77e618d [2022-10-16 13:04:58,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:04:58,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:04:58,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:04:58,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:04:58,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:04:58,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:04:58" (1/1) ... [2022-10-16 13:04:58,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ceb1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:04:58, skipping insertion in model container [2022-10-16 13:04:58,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:04:58" (1/1) ... [2022-10-16 13:04:58,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:04:59,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:05:00,078 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2022-10-16 13:05:00,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:05:00,357 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:05:00,534 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2022-10-16 13:05:00,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:05:00,790 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:05:00,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00 WrapperNode [2022-10-16 13:05:00,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:05:00,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:05:00,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:05:00,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:05:00,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:00,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:00,917 INFO L138 Inliner]: procedures = 95, calls = 357, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1020 [2022-10-16 13:05:00,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:05:00,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:05:00,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:05:00,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:05:00,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:00,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:05:01,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:05:01,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:05:01,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:05:01,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (1/1) ... [2022-10-16 13:05:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:05:01,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:05:01,194 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 13:05:01,219 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 13:05:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:05:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 13:05:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 13:05:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:05:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:05:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2022-10-16 13:05:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2022-10-16 13:05:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:05:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:05:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:05:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:05:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2022-10-16 13:05:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2022-10-16 13:05:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:05:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:05:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:05:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:05:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:05:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:05:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2022-10-16 13:05:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2022-10-16 13:05:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:05:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:05:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:05:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:05:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:05:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2022-10-16 13:05:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2022-10-16 13:05:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-10-16 13:05:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-10-16 13:05:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:05:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:05:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:05:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:05:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-10-16 13:05:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-10-16 13:05:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:05:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:05:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:05:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:05:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:05:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:05:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:05:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:05:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2022-10-16 13:05:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2022-10-16 13:05:01,838 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:05:01,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:05:02,063 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:05:04,094 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:05:04,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:05:04,108 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:05:04,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:05:04 BoogieIcfgContainer [2022-10-16 13:05:04,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:05:04,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:05:04,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:05:04,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:05:04,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:04:58" (1/3) ... [2022-10-16 13:05:04,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e25444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:05:04, skipping insertion in model container [2022-10-16 13:05:04,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:05:00" (2/3) ... [2022-10-16 13:05:04,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e25444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:05:04, skipping insertion in model container [2022-10-16 13:05:04,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:05:04" (3/3) ... [2022-10-16 13:05:04,123 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2022-10-16 13:05:04,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:05:04,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 13:05:04,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:05:04,233 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;@5622adb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:05:04,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 13:05:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 239 states have (on average 1.3682008368200838) internal successors, (327), 268 states have internal predecessors, (327), 82 states have call successors, (82), 17 states have call predecessors, (82), 16 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-10-16 13:05:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 13:05:04,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:04,257 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 13:05:04,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:04,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1376580105, now seen corresponding path program 1 times [2022-10-16 13:05:04,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:04,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777944375] [2022-10-16 13:05:04,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:04,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:04,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 13:05:04,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:04,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777944375] [2022-10-16 13:05:04,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777944375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:04,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:04,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:05:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047829604] [2022-10-16 13:05:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:04,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:04,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:05,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:05,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:05:05,031 INFO L87 Difference]: Start difference. First operand has 356 states, 239 states have (on average 1.3682008368200838) internal successors, (327), 268 states have internal predecessors, (327), 82 states have call successors, (82), 17 states have call predecessors, (82), 16 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:05:07,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:08,264 INFO L93 Difference]: Finished difference Result 876 states and 1257 transitions. [2022-10-16 13:05:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:08,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-10-16 13:05:08,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:08,301 INFO L225 Difference]: With dead ends: 876 [2022-10-16 13:05:08,302 INFO L226 Difference]: Without dead ends: 474 [2022-10-16 13:05:08,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:05:08,315 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 317 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:08,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1279 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 13:05:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-10-16 13:05:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 429. [2022-10-16 13:05:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 306 states have (on average 1.3333333333333333) internal successors, (408), 325 states have internal predecessors, (408), 85 states have call successors, (85), 22 states have call predecessors, (85), 22 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2022-10-16 13:05:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 578 transitions. [2022-10-16 13:05:08,435 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 578 transitions. Word has length 40 [2022-10-16 13:05:08,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:08,436 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 578 transitions. [2022-10-16 13:05:08,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:05:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 578 transitions. [2022-10-16 13:05:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 13:05:08,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:08,445 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 13:05:08,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:05:08,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:08,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash 118296775, now seen corresponding path program 1 times [2022-10-16 13:05:08,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:08,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6917658] [2022-10-16 13:05:08,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:05:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 13:05:08,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:08,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6917658] [2022-10-16 13:05:08,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6917658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:08,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:08,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:05:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624196191] [2022-10-16 13:05:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:08,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:05:08,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:08,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:05:08,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:05:08,875 INFO L87 Difference]: Start difference. First operand 429 states and 578 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:05:11,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:11,562 INFO L93 Difference]: Finished difference Result 1199 states and 1650 transitions. [2022-10-16 13:05:11,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:05:11,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2022-10-16 13:05:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:11,579 INFO L225 Difference]: With dead ends: 1199 [2022-10-16 13:05:11,579 INFO L226 Difference]: Without dead ends: 788 [2022-10-16 13:05:11,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:05:11,585 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 525 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:11,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 1531 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 13:05:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2022-10-16 13:05:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 704. [2022-10-16 13:05:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 504 states have (on average 1.3293650793650793) internal successors, (670), 524 states have internal predecessors, (670), 145 states have call successors, (145), 39 states have call predecessors, (145), 39 states have return successors, (145), 144 states have call predecessors, (145), 145 states have call successors, (145) [2022-10-16 13:05:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 960 transitions. [2022-10-16 13:05:11,727 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 960 transitions. Word has length 50 [2022-10-16 13:05:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:11,728 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 960 transitions. [2022-10-16 13:05:11,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:05:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 960 transitions. [2022-10-16 13:05:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 13:05:11,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:11,733 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-10-16 13:05:11,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:05:11,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1537644040, now seen corresponding path program 1 times [2022-10-16 13:05:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:11,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709966664] [2022-10-16 13:05:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:12,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709966664] [2022-10-16 13:05:12,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709966664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:12,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:12,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:05:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433201469] [2022-10-16 13:05:12,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:12,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:12,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:12,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:12,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:05:12,119 INFO L87 Difference]: Start difference. First operand 704 states and 960 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:05:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:14,300 INFO L93 Difference]: Finished difference Result 1517 states and 2144 transitions. [2022-10-16 13:05:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:14,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-10-16 13:05:14,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:14,316 INFO L225 Difference]: With dead ends: 1517 [2022-10-16 13:05:14,316 INFO L226 Difference]: Without dead ends: 1507 [2022-10-16 13:05:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 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 13:05:14,319 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 543 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:14,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1202 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 13:05:14,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2022-10-16 13:05:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1366. [2022-10-16 13:05:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 990 states have (on average 1.3131313131313131) internal successors, (1300), 1015 states have internal predecessors, (1300), 285 states have call successors, (285), 75 states have call predecessors, (285), 75 states have return successors, (285), 283 states have call predecessors, (285), 285 states have call successors, (285) [2022-10-16 13:05:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1870 transitions. [2022-10-16 13:05:14,439 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1870 transitions. Word has length 65 [2022-10-16 13:05:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:14,440 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1870 transitions. [2022-10-16 13:05:14,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:05:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1870 transitions. [2022-10-16 13:05:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 13:05:14,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:14,446 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-10-16 13:05:14,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:05:14,447 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:14,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1655317427, now seen corresponding path program 1 times [2022-10-16 13:05:14,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:14,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763459005] [2022-10-16 13:05:14,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:05:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:05:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:14,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:14,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763459005] [2022-10-16 13:05:14,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763459005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:14,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:14,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:05:14,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448615220] [2022-10-16 13:05:14,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:14,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:14,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:14,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:14,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:05:14,724 INFO L87 Difference]: Start difference. First operand 1366 states and 1870 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 13:05:17,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:19,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:19,514 INFO L93 Difference]: Finished difference Result 2758 states and 3783 transitions. [2022-10-16 13:05:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 78 [2022-10-16 13:05:19,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:19,527 INFO L225 Difference]: With dead ends: 2758 [2022-10-16 13:05:19,527 INFO L226 Difference]: Without dead ends: 1418 [2022-10-16 13:05:19,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:05:19,535 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 313 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 257 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:19,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1258 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 503 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-10-16 13:05:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2022-10-16 13:05:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1268. [2022-10-16 13:05:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 947 states have (on average 1.2956705385427667) internal successors, (1227), 972 states have internal predecessors, (1227), 220 states have call successors, (220), 85 states have call predecessors, (220), 85 states have return successors, (220), 218 states have call predecessors, (220), 220 states have call successors, (220) [2022-10-16 13:05:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1667 transitions. [2022-10-16 13:05:19,637 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1667 transitions. Word has length 78 [2022-10-16 13:05:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:19,637 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1667 transitions. [2022-10-16 13:05:19,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 13:05:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1667 transitions. [2022-10-16 13:05:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 13:05:19,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:19,641 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-10-16 13:05:19,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:05:19,642 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:19,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:19,643 INFO L85 PathProgramCache]: Analyzing trace with hash -627008424, now seen corresponding path program 1 times [2022-10-16 13:05:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:19,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196782738] [2022-10-16 13:05:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:19,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:19,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:19,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196782738] [2022-10-16 13:05:19,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196782738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:19,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:19,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:05:19,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312225532] [2022-10-16 13:05:19,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:19,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:19,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:19,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:19,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:05:19,861 INFO L87 Difference]: Start difference. First operand 1268 states and 1667 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:05:22,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:22,906 INFO L93 Difference]: Finished difference Result 2652 states and 3552 transitions. [2022-10-16 13:05:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:22,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 79 [2022-10-16 13:05:22,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:22,919 INFO L225 Difference]: With dead ends: 2652 [2022-10-16 13:05:22,919 INFO L226 Difference]: Without dead ends: 1717 [2022-10-16 13:05:22,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:05:22,925 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 316 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:22,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1461 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:05:22,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-10-16 13:05:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1531. [2022-10-16 13:05:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1152 states have (on average 1.2899305555555556) internal successors, (1486), 1179 states have internal predecessors, (1486), 254 states have call successors, (254), 109 states have call predecessors, (254), 109 states have return successors, (254), 252 states have call predecessors, (254), 254 states have call successors, (254) [2022-10-16 13:05:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1994 transitions. [2022-10-16 13:05:23,075 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1994 transitions. Word has length 79 [2022-10-16 13:05:23,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:23,076 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 1994 transitions. [2022-10-16 13:05:23,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:05:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1994 transitions. [2022-10-16 13:05:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:05:23,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:23,079 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-10-16 13:05:23,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:05:23,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:23,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1614441700, now seen corresponding path program 1 times [2022-10-16 13:05:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:23,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007699379] [2022-10-16 13:05:23,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:05:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:23,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:23,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007699379] [2022-10-16 13:05:23,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007699379] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:05:23,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380757347] [2022-10-16 13:05:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:23,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:05:23,465 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 13:05:23,486 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 13:05:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:23,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:05:23,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:05:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:05:23,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:05:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:24,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380757347] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:05:24,057 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:05:24,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:05:24,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384474034] [2022-10-16 13:05:24,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:05:24,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:05:24,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:24,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:05:24,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:05:24,060 INFO L87 Difference]: Start difference. First operand 1531 states and 1994 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 7 states have internal predecessors, (135), 6 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 13:05:31,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:32,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:32,313 INFO L93 Difference]: Finished difference Result 5686 states and 7670 transitions. [2022-10-16 13:05:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 13:05:32,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 7 states have internal predecessors, (135), 6 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 85 [2022-10-16 13:05:32,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:32,353 INFO L225 Difference]: With dead ends: 5686 [2022-10-16 13:05:32,353 INFO L226 Difference]: Without dead ends: 5681 [2022-10-16 13:05:32,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=217, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:05:32,359 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 2326 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 1067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:32,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 2276 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 1965 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-10-16 13:05:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2022-10-16 13:05:32,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 3838. [2022-10-16 13:05:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2890 states have (on average 1.2865051903114186) internal successors, (3718), 2936 states have internal predecessors, (3718), 666 states have call successors, (666), 269 states have call predecessors, (666), 269 states have return successors, (666), 658 states have call predecessors, (666), 666 states have call successors, (666) [2022-10-16 13:05:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5050 transitions. [2022-10-16 13:05:32,729 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5050 transitions. Word has length 85 [2022-10-16 13:05:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:32,735 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 5050 transitions. [2022-10-16 13:05:32,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 7 states have internal predecessors, (135), 6 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2022-10-16 13:05:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5050 transitions. [2022-10-16 13:05:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:05:32,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:32,743 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2022-10-16 13:05:32,788 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 13:05:32,956 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,SelfDestructingSolverStorable5 [2022-10-16 13:05:32,956 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:32,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1491915487, now seen corresponding path program 1 times [2022-10-16 13:05:32,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:32,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391336149] [2022-10-16 13:05:32,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:32,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:05:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-16 13:05:33,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:33,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391336149] [2022-10-16 13:05:33,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391336149] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:05:33,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993438477] [2022-10-16 13:05:33,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:33,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:05:33,410 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 13:05:33,432 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 13:05:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:33,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:05:33,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:05:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:05:33,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:05:33,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993438477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:33,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:05:33,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:05:33,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686867666] [2022-10-16 13:05:33,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:33,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:05:33,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:33,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:05:33,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:05:33,746 INFO L87 Difference]: Start difference. First operand 3838 states and 5050 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:05:34,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:34,573 INFO L93 Difference]: Finished difference Result 8577 states and 11314 transitions. [2022-10-16 13:05:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:05:34,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 86 [2022-10-16 13:05:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:34,629 INFO L225 Difference]: With dead ends: 8577 [2022-10-16 13:05:34,629 INFO L226 Difference]: Without dead ends: 8572 [2022-10-16 13:05:34,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:05:34,636 INFO L413 NwaCegarLoop]: 733 mSDtfsCounter, 917 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:34,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1412 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 13:05:34,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8572 states. [2022-10-16 13:05:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8572 to 8237. [2022-10-16 13:05:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8237 states, 6194 states have (on average 1.2825314820794318) internal successors, (7944), 6273 states have internal predecessors, (7944), 1457 states have call successors, (1457), 573 states have call predecessors, (1457), 573 states have return successors, (1457), 1446 states have call predecessors, (1457), 1457 states have call successors, (1457) [2022-10-16 13:05:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8237 states to 8237 states and 10858 transitions. [2022-10-16 13:05:35,215 INFO L78 Accepts]: Start accepts. Automaton has 8237 states and 10858 transitions. Word has length 86 [2022-10-16 13:05:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:35,216 INFO L495 AbstractCegarLoop]: Abstraction has 8237 states and 10858 transitions. [2022-10-16 13:05:35,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:05:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 8237 states and 10858 transitions. [2022-10-16 13:05:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 13:05:35,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:35,220 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-10-16 13:05:35,263 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 13:05:35,433 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,SelfDestructingSolverStorable6 [2022-10-16 13:05:35,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash 225892023, now seen corresponding path program 1 times [2022-10-16 13:05:35,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:35,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329857864] [2022-10-16 13:05:35,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:35,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:05:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:05:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 13:05:35,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:35,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329857864] [2022-10-16 13:05:35,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329857864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:35,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:35,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:05:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313475449] [2022-10-16 13:05:35,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:35,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:05:35,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:35,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:05:35,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:05:35,659 INFO L87 Difference]: Start difference. First operand 8237 states and 10858 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:38,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:40,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:40,660 INFO L93 Difference]: Finished difference Result 14310 states and 18961 transitions. [2022-10-16 13:05:40,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:05:40,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 93 [2022-10-16 13:05:40,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:40,703 INFO L225 Difference]: With dead ends: 14310 [2022-10-16 13:05:40,703 INFO L226 Difference]: Without dead ends: 6099 [2022-10-16 13:05:40,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:05:40,731 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 459 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:40,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 2184 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 13:05:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6099 states. [2022-10-16 13:05:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6099 to 5078. [2022-10-16 13:05:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 3830 states have (on average 1.2762402088772846) internal successors, (4888), 3880 states have internal predecessors, (4888), 867 states have call successors, (867), 368 states have call predecessors, (867), 368 states have return successors, (867), 859 states have call predecessors, (867), 867 states have call successors, (867) [2022-10-16 13:05:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6622 transitions. [2022-10-16 13:05:41,258 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6622 transitions. Word has length 93 [2022-10-16 13:05:41,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:41,259 INFO L495 AbstractCegarLoop]: Abstraction has 5078 states and 6622 transitions. [2022-10-16 13:05:41,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6622 transitions. [2022-10-16 13:05:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 13:05:41,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:41,267 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 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] [2022-10-16 13:05:41,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:05:41,268 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:41,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:41,269 INFO L85 PathProgramCache]: Analyzing trace with hash -316982538, now seen corresponding path program 1 times [2022-10-16 13:05:41,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:41,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169723953] [2022-10-16 13:05:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:41,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:05:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:05:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:05:41,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:41,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169723953] [2022-10-16 13:05:41,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169723953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:41,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:41,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:05:41,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507206954] [2022-10-16 13:05:41,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:41,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:05:41,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:41,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:05:41,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:05:41,550 INFO L87 Difference]: Start difference. First operand 5078 states and 6622 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:05:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:43,789 INFO L93 Difference]: Finished difference Result 9497 states and 12526 transitions. [2022-10-16 13:05:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:05:43,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2022-10-16 13:05:43,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:43,818 INFO L225 Difference]: With dead ends: 9497 [2022-10-16 13:05:43,818 INFO L226 Difference]: Without dead ends: 4476 [2022-10-16 13:05:43,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:05:43,835 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 495 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:43,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1622 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:05:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2022-10-16 13:05:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 4001. [2022-10-16 13:05:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 3029 states have (on average 1.2700561241333774) internal successors, (3847), 3076 states have internal predecessors, (3847), 679 states have call successors, (679), 280 states have call predecessors, (679), 280 states have return successors, (679), 674 states have call predecessors, (679), 679 states have call successors, (679) [2022-10-16 13:05:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5205 transitions. [2022-10-16 13:05:44,147 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5205 transitions. Word has length 113 [2022-10-16 13:05:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:44,147 INFO L495 AbstractCegarLoop]: Abstraction has 4001 states and 5205 transitions. [2022-10-16 13:05:44,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:05:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5205 transitions. [2022-10-16 13:05:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 13:05:44,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:44,154 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 13:05:44,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:05:44,155 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:44,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1528030461, now seen corresponding path program 1 times [2022-10-16 13:05:44,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997740688] [2022-10-16 13:05:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:44,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:05:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:05:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 35 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-16 13:05:44,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:44,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997740688] [2022-10-16 13:05:44,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997740688] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:05:44,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065307423] [2022-10-16 13:05:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:44,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:44,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:05:44,568 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 13:05:44,579 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 13:05:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:44,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 13:05:44,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:05:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 13:05:44,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:05:44,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065307423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:44,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:05:44,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 13:05:44,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772473633] [2022-10-16 13:05:44,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:44,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:44,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:44,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:44,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:05:44,922 INFO L87 Difference]: Start difference. First operand 4001 states and 5205 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:45,701 INFO L93 Difference]: Finished difference Result 10607 states and 13869 transitions. [2022-10-16 13:05:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:45,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 123 [2022-10-16 13:05:45,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:45,751 INFO L225 Difference]: With dead ends: 10607 [2022-10-16 13:05:45,751 INFO L226 Difference]: Without dead ends: 6663 [2022-10-16 13:05:45,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:05:45,769 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 702 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:45,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 2464 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:05:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6663 states. [2022-10-16 13:05:46,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6663 to 4076. [2022-10-16 13:05:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4076 states, 3074 states have (on average 1.2661027976577748) internal successors, (3892), 3121 states have internal predecessors, (3892), 709 states have call successors, (709), 280 states have call predecessors, (709), 280 states have return successors, (709), 704 states have call predecessors, (709), 709 states have call successors, (709) [2022-10-16 13:05:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 5310 transitions. [2022-10-16 13:05:46,230 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 5310 transitions. Word has length 123 [2022-10-16 13:05:46,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:46,230 INFO L495 AbstractCegarLoop]: Abstraction has 4076 states and 5310 transitions. [2022-10-16 13:05:46,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 5310 transitions. [2022-10-16 13:05:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 13:05:46,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:46,237 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 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] [2022-10-16 13:05:46,267 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 13:05:46,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:46,453 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash 720813678, now seen corresponding path program 1 times [2022-10-16 13:05:46,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:46,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588622242] [2022-10-16 13:05:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:46,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:05:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:05:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:05:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:05:46,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:46,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588622242] [2022-10-16 13:05:46,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588622242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:46,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:46,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:05:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698990432] [2022-10-16 13:05:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:46,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:46,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:46,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:05:46,713 INFO L87 Difference]: Start difference. First operand 4076 states and 5310 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:49,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:49,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:49,756 INFO L93 Difference]: Finished difference Result 8369 states and 11051 transitions. [2022-10-16 13:05:49,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:05:49,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 138 [2022-10-16 13:05:49,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:49,775 INFO L225 Difference]: With dead ends: 8369 [2022-10-16 13:05:49,775 INFO L226 Difference]: Without dead ends: 4350 [2022-10-16 13:05:49,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:05:49,789 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 439 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:49,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 949 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 13:05:49,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2022-10-16 13:05:50,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 3905. [2022-10-16 13:05:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3905 states, 2928 states have (on average 1.2513661202185793) internal successors, (3664), 2970 states have internal predecessors, (3664), 691 states have call successors, (691), 273 states have call predecessors, (691), 273 states have return successors, (691), 691 states have call predecessors, (691), 691 states have call successors, (691) [2022-10-16 13:05:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 3905 states and 5046 transitions. [2022-10-16 13:05:50,137 INFO L78 Accepts]: Start accepts. Automaton has 3905 states and 5046 transitions. Word has length 138 [2022-10-16 13:05:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:50,137 INFO L495 AbstractCegarLoop]: Abstraction has 3905 states and 5046 transitions. [2022-10-16 13:05:50,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:05:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3905 states and 5046 transitions. [2022-10-16 13:05:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 13:05:50,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:50,145 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 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] [2022-10-16 13:05:50,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:05:50,146 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:50,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:50,146 INFO L85 PathProgramCache]: Analyzing trace with hash 619031270, now seen corresponding path program 1 times [2022-10-16 13:05:50,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:50,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192546552] [2022-10-16 13:05:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:05:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:05:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:05:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:05:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:05:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 35 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:05:50,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:50,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192546552] [2022-10-16 13:05:50,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192546552] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:05:50,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838967472] [2022-10-16 13:05:50,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:50,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:50,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:05:50,655 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 13:05:50,674 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 13:05:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:51,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 13:05:51,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:05:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-10-16 13:05:51,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:05:51,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838967472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:51,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:05:51,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2022-10-16 13:05:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40901681] [2022-10-16 13:05:51,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:51,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:05:51,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:51,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:05:51,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:05:51,102 INFO L87 Difference]: Start difference. First operand 3905 states and 5046 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 13:05:52,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:52,127 INFO L93 Difference]: Finished difference Result 10350 states and 13457 transitions. [2022-10-16 13:05:52,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:05:52,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 150 [2022-10-16 13:05:52,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:52,162 INFO L225 Difference]: With dead ends: 10350 [2022-10-16 13:05:52,162 INFO L226 Difference]: Without dead ends: 6515 [2022-10-16 13:05:52,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:05:52,179 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 661 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:52,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 2416 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:05:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6515 states. [2022-10-16 13:05:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6515 to 4451. [2022-10-16 13:05:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4451 states, 3329 states have (on average 1.2526284169420245) internal successors, (4170), 3380 states have internal predecessors, (4170), 799 states have call successors, (799), 310 states have call predecessors, (799), 310 states have return successors, (799), 793 states have call predecessors, (799), 799 states have call successors, (799) [2022-10-16 13:05:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 4451 states and 5768 transitions. [2022-10-16 13:05:52,830 INFO L78 Accepts]: Start accepts. Automaton has 4451 states and 5768 transitions. Word has length 150 [2022-10-16 13:05:52,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:52,831 INFO L495 AbstractCegarLoop]: Abstraction has 4451 states and 5768 transitions. [2022-10-16 13:05:52,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 13:05:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4451 states and 5768 transitions. [2022-10-16 13:05:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 13:05:52,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:52,838 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 13:05:52,879 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 13:05:53,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:05:53,053 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:53,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:53,054 INFO L85 PathProgramCache]: Analyzing trace with hash -417524554, now seen corresponding path program 1 times [2022-10-16 13:05:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:53,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722524216] [2022-10-16 13:05:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:53,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:05:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:05:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:05:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-16 13:05:53,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:53,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722524216] [2022-10-16 13:05:53,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722524216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:53,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:53,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:05:53,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249718989] [2022-10-16 13:05:53,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:53,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:05:53,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:53,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:05:53,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:05:53,348 INFO L87 Difference]: Start difference. First operand 4451 states and 5768 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:05:55,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:05:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:05:56,905 INFO L93 Difference]: Finished difference Result 8027 states and 10554 transitions. [2022-10-16 13:05:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:05:56,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 150 [2022-10-16 13:05:56,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:05:56,922 INFO L225 Difference]: With dead ends: 8027 [2022-10-16 13:05:56,922 INFO L226 Difference]: Without dead ends: 3646 [2022-10-16 13:05:56,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:05:56,938 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 401 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:05:56,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1676 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 13:05:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2022-10-16 13:05:57,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3274. [2022-10-16 13:05:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 2418 states have (on average 1.229114971050455) internal successors, (2972), 2455 states have internal predecessors, (2972), 615 states have call successors, (615), 228 states have call predecessors, (615), 228 states have return successors, (615), 609 states have call predecessors, (615), 615 states have call successors, (615) [2022-10-16 13:05:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4202 transitions. [2022-10-16 13:05:57,289 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4202 transitions. Word has length 150 [2022-10-16 13:05:57,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:05:57,289 INFO L495 AbstractCegarLoop]: Abstraction has 3274 states and 4202 transitions. [2022-10-16 13:05:57,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:05:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4202 transitions. [2022-10-16 13:05:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-16 13:05:57,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:05:57,296 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 13:05:57,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 13:05:57,297 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:05:57,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:05:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2142431329, now seen corresponding path program 1 times [2022-10-16 13:05:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:05:57,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798420428] [2022-10-16 13:05:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:05:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:05:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:05:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:05:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:05:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:05:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:05:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:05:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:05:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:05:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:05:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:05:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:05:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:05:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:05:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:05:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:05:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 13:05:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:05:57,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798420428] [2022-10-16 13:05:57,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798420428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:05:57,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:05:57,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:05:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641019707] [2022-10-16 13:05:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:05:57,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:05:57,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:05:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:05:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:05:57,722 INFO L87 Difference]: Start difference. First operand 3274 states and 4202 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-10-16 13:06:00,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:01,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:01,236 INFO L93 Difference]: Finished difference Result 5291 states and 7293 transitions. [2022-10-16 13:06:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:06:01,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2022-10-16 13:06:01,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:01,267 INFO L225 Difference]: With dead ends: 5291 [2022-10-16 13:06:01,267 INFO L226 Difference]: Without dead ends: 5289 [2022-10-16 13:06:01,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:01,273 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 309 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 244 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:01,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1745 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 515 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 13:06:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2022-10-16 13:06:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 3322. [2022-10-16 13:06:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 2466 states have (on average 1.231954582319546) internal successors, (3038), 2503 states have internal predecessors, (3038), 615 states have call successors, (615), 228 states have call predecessors, (615), 228 states have return successors, (615), 609 states have call predecessors, (615), 615 states have call successors, (615) [2022-10-16 13:06:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4268 transitions. [2022-10-16 13:06:01,761 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4268 transitions. Word has length 157 [2022-10-16 13:06:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:01,761 INFO L495 AbstractCegarLoop]: Abstraction has 3322 states and 4268 transitions. [2022-10-16 13:06:01,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-10-16 13:06:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4268 transitions. [2022-10-16 13:06:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 13:06:01,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:01,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:01,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 13:06:01,771 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:01,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:01,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1862872534, now seen corresponding path program 1 times [2022-10-16 13:06:01,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:01,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446077246] [2022-10-16 13:06:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:01,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:06:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:06:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:06:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:06:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:06:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:06:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 13:06:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:02,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446077246] [2022-10-16 13:06:02,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446077246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:02,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:02,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:06:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273193252] [2022-10-16 13:06:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:02,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:06:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:06:02,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:06:02,254 INFO L87 Difference]: Start difference. First operand 3322 states and 4268 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:06:04,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:05,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:06,863 INFO L93 Difference]: Finished difference Result 5314 states and 7323 transitions. [2022-10-16 13:06:06,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:06:06,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2022-10-16 13:06:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:06,885 INFO L225 Difference]: With dead ends: 5314 [2022-10-16 13:06:06,886 INFO L226 Difference]: Without dead ends: 5313 [2022-10-16 13:06:06,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:06:06,892 INFO L413 NwaCegarLoop]: 667 mSDtfsCounter, 245 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:06,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 2405 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 13:06:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5313 states. [2022-10-16 13:06:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5313 to 3340. [2022-10-16 13:06:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 2478 states have (on average 1.2308313155770783) internal successors, (3050), 2515 states have internal predecessors, (3050), 621 states have call successors, (621), 228 states have call predecessors, (621), 228 states have return successors, (621), 615 states have call predecessors, (621), 621 states have call successors, (621) [2022-10-16 13:06:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4292 transitions. [2022-10-16 13:06:07,368 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4292 transitions. Word has length 166 [2022-10-16 13:06:07,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:07,369 INFO L495 AbstractCegarLoop]: Abstraction has 3340 states and 4292 transitions. [2022-10-16 13:06:07,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:06:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4292 transitions. [2022-10-16 13:06:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-16 13:06:07,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:07,376 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:07,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 13:06:07,377 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:07,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:07,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1914473275, now seen corresponding path program 1 times [2022-10-16 13:06:07,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:07,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729466717] [2022-10-16 13:06:07,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:07,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:06:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:06:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:06:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:06:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:06:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:06:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 13:06:07,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:07,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729466717] [2022-10-16 13:06:07,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729466717] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:07,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:07,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:06:07,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520228449] [2022-10-16 13:06:07,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:07,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:06:07,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:07,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:06:07,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:06:07,918 INFO L87 Difference]: Start difference. First operand 3340 states and 4292 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:06:10,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:10,326 INFO L93 Difference]: Finished difference Result 6875 states and 9661 transitions. [2022-10-16 13:06:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:06:10,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2022-10-16 13:06:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:10,357 INFO L225 Difference]: With dead ends: 6875 [2022-10-16 13:06:10,357 INFO L226 Difference]: Without dead ends: 6873 [2022-10-16 13:06:10,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:06:10,362 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 490 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 3048 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:10,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 3048 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:06:10,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6873 states. [2022-10-16 13:06:10,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6873 to 3338. [2022-10-16 13:06:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3338 states, 2478 states have (on average 1.2259887005649717) internal successors, (3038), 2513 states have internal predecessors, (3038), 621 states have call successors, (621), 228 states have call predecessors, (621), 228 states have return successors, (621), 615 states have call predecessors, (621), 621 states have call successors, (621) [2022-10-16 13:06:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4280 transitions. [2022-10-16 13:06:10,839 INFO L78 Accepts]: Start accepts. Automaton has 3338 states and 4280 transitions. Word has length 167 [2022-10-16 13:06:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:10,844 INFO L495 AbstractCegarLoop]: Abstraction has 3338 states and 4280 transitions. [2022-10-16 13:06:10,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-16 13:06:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4280 transitions. [2022-10-16 13:06:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-16 13:06:10,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:10,852 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 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] [2022-10-16 13:06:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 13:06:10,852 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash -417281780, now seen corresponding path program 1 times [2022-10-16 13:06:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:10,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939806087] [2022-10-16 13:06:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:06:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:06:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:06:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:06:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 35 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:06:11,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:11,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939806087] [2022-10-16 13:06:11,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939806087] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:06:11,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310505463] [2022-10-16 13:06:11,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:11,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:11,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:11,492 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 13:06:11,509 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 13:06:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:11,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:06:11,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:06:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 34 proven. 35 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-16 13:06:12,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:06:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 35 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:06:12,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310505463] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:06:12,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:06:12,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2022-10-16 13:06:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243529511] [2022-10-16 13:06:12,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:06:12,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 13:06:12,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:12,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 13:06:12,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:06:12,231 INFO L87 Difference]: Start difference. First operand 3338 states and 4280 transitions. Second operand has 12 states, 11 states have (on average 21.636363636363637) internal successors, (238), 9 states have internal predecessors, (238), 8 states have call successors, (32), 7 states have call predecessors, (32), 4 states have return successors, (27), 8 states have call predecessors, (27), 8 states have call successors, (27) [2022-10-16 13:06:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:16,333 INFO L93 Difference]: Finished difference Result 4037 states and 5312 transitions. [2022-10-16 13:06:16,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 13:06:16,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 21.636363636363637) internal successors, (238), 9 states have internal predecessors, (238), 8 states have call successors, (32), 7 states have call predecessors, (32), 4 states have return successors, (27), 8 states have call predecessors, (27), 8 states have call successors, (27) Word has length 161 [2022-10-16 13:06:16,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:16,351 INFO L225 Difference]: With dead ends: 4037 [2022-10-16 13:06:16,352 INFO L226 Difference]: Without dead ends: 4035 [2022-10-16 13:06:16,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:06:16,356 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1406 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:16,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 1825 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 13:06:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4035 states. [2022-10-16 13:06:16,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4035 to 3055. [2022-10-16 13:06:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 2277 states have (on average 1.22266139657444) internal successors, (2784), 2306 states have internal predecessors, (2784), 556 states have call successors, (556), 213 states have call predecessors, (556), 213 states have return successors, (556), 554 states have call predecessors, (556), 556 states have call successors, (556) [2022-10-16 13:06:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 3896 transitions. [2022-10-16 13:06:16,799 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 3896 transitions. Word has length 161 [2022-10-16 13:06:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:16,800 INFO L495 AbstractCegarLoop]: Abstraction has 3055 states and 3896 transitions. [2022-10-16 13:06:16,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 21.636363636363637) internal successors, (238), 9 states have internal predecessors, (238), 8 states have call successors, (32), 7 states have call predecessors, (32), 4 states have return successors, (27), 8 states have call predecessors, (27), 8 states have call successors, (27) [2022-10-16 13:06:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 3896 transitions. [2022-10-16 13:06:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 13:06:16,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:16,807 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:16,844 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 13:06:17,020 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,SelfDestructingSolverStorable16 [2022-10-16 13:06:17,021 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:17,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash 354469980, now seen corresponding path program 1 times [2022-10-16 13:06:17,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:17,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893136962] [2022-10-16 13:06:17,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:06:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:06:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:06:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:06:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:06:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:06:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:06:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 13:06:17,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:17,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893136962] [2022-10-16 13:06:17,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893136962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:17,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:17,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:06:17,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466016945] [2022-10-16 13:06:17,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:17,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:06:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:17,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:06:17,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:17,545 INFO L87 Difference]: Start difference. First operand 3055 states and 3896 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:06:20,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:20,590 INFO L93 Difference]: Finished difference Result 7525 states and 10026 transitions. [2022-10-16 13:06:20,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:06:20,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2022-10-16 13:06:20,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:20,608 INFO L225 Difference]: With dead ends: 7525 [2022-10-16 13:06:20,608 INFO L226 Difference]: Without dead ends: 4820 [2022-10-16 13:06:20,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:20,617 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 310 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:20,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 2122 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 13:06:20,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2022-10-16 13:06:21,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 3160. [2022-10-16 13:06:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 2367 states have (on average 1.222644697929869) internal successors, (2894), 2396 states have internal predecessors, (2894), 571 states have call successors, (571), 213 states have call predecessors, (571), 213 states have return successors, (571), 569 states have call predecessors, (571), 571 states have call successors, (571) [2022-10-16 13:06:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4036 transitions. [2022-10-16 13:06:21,102 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4036 transitions. Word has length 182 [2022-10-16 13:06:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:21,103 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 4036 transitions. [2022-10-16 13:06:21,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:06:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4036 transitions. [2022-10-16 13:06:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-16 13:06:21,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:21,111 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:21,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 13:06:21,111 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1034528350, now seen corresponding path program 1 times [2022-10-16 13:06:21,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:21,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682508468] [2022-10-16 13:06:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:21,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:06:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:06:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:06:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:06:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:06:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:06:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:06:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 13:06:21,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:21,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682508468] [2022-10-16 13:06:21,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682508468] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:06:21,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613936043] [2022-10-16 13:06:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:21,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:21,703 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 13:06:21,725 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 13:06:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:22,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 13:06:22,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:06:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 13:06:22,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:06:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-16 13:06:22,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613936043] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:06:22,389 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:06:22,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2022-10-16 13:06:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512327351] [2022-10-16 13:06:22,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:06:22,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 13:06:22,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 13:06:22,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:06:22,392 INFO L87 Difference]: Start difference. First operand 3160 states and 4036 transitions. Second operand has 13 states, 12 states have (on average 11.083333333333334) internal successors, (133), 9 states have internal predecessors, (133), 5 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-10-16 13:06:24,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:26,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:26,624 INFO L93 Difference]: Finished difference Result 7746 states and 10912 transitions. [2022-10-16 13:06:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:06:26,625 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.083333333333334) internal successors, (133), 9 states have internal predecessors, (133), 5 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 182 [2022-10-16 13:06:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:26,647 INFO L225 Difference]: With dead ends: 7746 [2022-10-16 13:06:26,647 INFO L226 Difference]: Without dead ends: 7744 [2022-10-16 13:06:26,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:06:26,651 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1372 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:26,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 3003 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-16 13:06:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7744 states. [2022-10-16 13:06:27,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7744 to 3460. [2022-10-16 13:06:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 2627 states have (on average 1.2234488009135895) internal successors, (3214), 2656 states have internal predecessors, (3214), 611 states have call successors, (611), 213 states have call predecessors, (611), 213 states have return successors, (611), 609 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-16 13:06:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4436 transitions. [2022-10-16 13:06:27,248 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4436 transitions. Word has length 182 [2022-10-16 13:06:27,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:27,249 INFO L495 AbstractCegarLoop]: Abstraction has 3460 states and 4436 transitions. [2022-10-16 13:06:27,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.083333333333334) internal successors, (133), 9 states have internal predecessors, (133), 5 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-10-16 13:06:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4436 transitions. [2022-10-16 13:06:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-16 13:06:27,263 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:27,264 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:27,338 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 13:06:27,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:27,479 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash -804406574, now seen corresponding path program 1 times [2022-10-16 13:06:27,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:27,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471443902] [2022-10-16 13:06:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:27,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:06:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:06:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:06:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:06:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:06:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:06:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:06:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:06:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-16 13:06:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-10-16 13:06:27,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:27,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471443902] [2022-10-16 13:06:27,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471443902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:27,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:27,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:06:27,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404461790] [2022-10-16 13:06:27,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:27,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:06:27,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:27,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:06:27,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:27,973 INFO L87 Difference]: Start difference. First operand 3460 states and 4436 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-10-16 13:06:29,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:31,062 INFO L93 Difference]: Finished difference Result 5603 states and 7593 transitions. [2022-10-16 13:06:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:06:31,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 207 [2022-10-16 13:06:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:31,079 INFO L225 Difference]: With dead ends: 5603 [2022-10-16 13:06:31,079 INFO L226 Difference]: Without dead ends: 5602 [2022-10-16 13:06:31,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:31,083 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 322 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:31,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 2092 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 13:06:31,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2022-10-16 13:06:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 3459. [2022-10-16 13:06:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 2627 states have (on average 1.221545489151123) internal successors, (3209), 2655 states have internal predecessors, (3209), 611 states have call successors, (611), 213 states have call predecessors, (611), 213 states have return successors, (611), 609 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-16 13:06:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 4431 transitions. [2022-10-16 13:06:31,635 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 4431 transitions. Word has length 207 [2022-10-16 13:06:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:31,635 INFO L495 AbstractCegarLoop]: Abstraction has 3459 states and 4431 transitions. [2022-10-16 13:06:31,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-10-16 13:06:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 4431 transitions. [2022-10-16 13:06:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 13:06:31,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:31,645 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:06:31,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 13:06:31,645 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash 833200486, now seen corresponding path program 1 times [2022-10-16 13:06:31,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:31,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730681625] [2022-10-16 13:06:31,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:31,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:06:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:06:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:06:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:06:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:06:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:06:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:06:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:06:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-16 13:06:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-10-16 13:06:32,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:32,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730681625] [2022-10-16 13:06:32,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730681625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:32,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:32,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:06:32,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941553465] [2022-10-16 13:06:32,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:32,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:06:32,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:32,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:06:32,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:32,086 INFO L87 Difference]: Start difference. First operand 3459 states and 4431 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-10-16 13:06:34,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:34,701 INFO L93 Difference]: Finished difference Result 6928 states and 9014 transitions. [2022-10-16 13:06:34,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:06:34,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 208 [2022-10-16 13:06:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:34,714 INFO L225 Difference]: With dead ends: 6928 [2022-10-16 13:06:34,715 INFO L226 Difference]: Without dead ends: 3819 [2022-10-16 13:06:34,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:34,725 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 170 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:34,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1149 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 13:06:34,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2022-10-16 13:06:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3474. [2022-10-16 13:06:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3474 states, 2642 states have (on average 1.2202876608629827) internal successors, (3224), 2670 states have internal predecessors, (3224), 611 states have call successors, (611), 213 states have call predecessors, (611), 213 states have return successors, (611), 609 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-16 13:06:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3474 states and 4446 transitions. [2022-10-16 13:06:35,283 INFO L78 Accepts]: Start accepts. Automaton has 3474 states and 4446 transitions. Word has length 208 [2022-10-16 13:06:35,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:35,284 INFO L495 AbstractCegarLoop]: Abstraction has 3474 states and 4446 transitions. [2022-10-16 13:06:35,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 3 states have internal predecessors, (93), 1 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-10-16 13:06:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 4446 transitions. [2022-10-16 13:06:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-16 13:06:35,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:35,293 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-10-16 13:06:35,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 13:06:35,293 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:35,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1917445189, now seen corresponding path program 1 times [2022-10-16 13:06:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:35,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896993300] [2022-10-16 13:06:35,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:35,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:06:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:06:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:06:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:06:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:06:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:06:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-16 13:06:35,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:35,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896993300] [2022-10-16 13:06:35,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896993300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:06:35,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:06:35,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:06:35,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869975740] [2022-10-16 13:06:35,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:06:35,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:06:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:06:35,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:06:35,691 INFO L87 Difference]: Start difference. First operand 3474 states and 4446 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 13:06:37,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:37,342 INFO L93 Difference]: Finished difference Result 3819 states and 5011 transitions. [2022-10-16 13:06:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:06:37,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 189 [2022-10-16 13:06:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:37,356 INFO L225 Difference]: With dead ends: 3819 [2022-10-16 13:06:37,357 INFO L226 Difference]: Without dead ends: 3817 [2022-10-16 13:06:37,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:06:37,361 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 520 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:37,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 799 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 13:06:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2022-10-16 13:06:37,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 3472. [2022-10-16 13:06:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 2642 states have (on average 1.2183951551854655) internal successors, (3219), 2668 states have internal predecessors, (3219), 611 states have call successors, (611), 213 states have call predecessors, (611), 213 states have return successors, (611), 609 states have call predecessors, (611), 611 states have call successors, (611) [2022-10-16 13:06:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4441 transitions. [2022-10-16 13:06:37,751 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4441 transitions. Word has length 189 [2022-10-16 13:06:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:37,752 INFO L495 AbstractCegarLoop]: Abstraction has 3472 states and 4441 transitions. [2022-10-16 13:06:37,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-10-16 13:06:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4441 transitions. [2022-10-16 13:06:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 13:06:37,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:37,762 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 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, 1, 1] [2022-10-16 13:06:37,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 13:06:37,763 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:37,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:37,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1535941828, now seen corresponding path program 1 times [2022-10-16 13:06:37,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:37,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225380760] [2022-10-16 13:06:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:06:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:06:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-16 13:06:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:06:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 13:06:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:06:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 13:06:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 84 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-16 13:06:38,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:38,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225380760] [2022-10-16 13:06:38,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225380760] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:06:38,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719797571] [2022-10-16 13:06:38,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:38,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:38,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:38,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:06:38,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:06:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:38,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:06:38,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:06:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 70 proven. 36 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-16 13:06:39,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:06:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 46 proven. 33 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-10-16 13:06:39,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719797571] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:06:39,599 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:06:39,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-10-16 13:06:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249905123] [2022-10-16 13:06:39,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:06:39,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 13:06:39,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:39,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 13:06:39,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:06:39,602 INFO L87 Difference]: Start difference. First operand 3472 states and 4441 transitions. Second operand has 13 states, 12 states have (on average 23.166666666666668) internal successors, (278), 9 states have internal predecessors, (278), 8 states have call successors, (44), 8 states have call predecessors, (44), 4 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) [2022-10-16 13:06:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:43,457 INFO L93 Difference]: Finished difference Result 3826 states and 5012 transitions. [2022-10-16 13:06:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 13:06:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 23.166666666666668) internal successors, (278), 9 states have internal predecessors, (278), 8 states have call successors, (44), 8 states have call predecessors, (44), 4 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) Word has length 209 [2022-10-16 13:06:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:43,466 INFO L225 Difference]: With dead ends: 3826 [2022-10-16 13:06:43,466 INFO L226 Difference]: Without dead ends: 3823 [2022-10-16 13:06:43,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2022-10-16 13:06:43,469 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 1679 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:43,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 2499 Invalid, 2481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 13:06:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2022-10-16 13:06:43,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 1597. [2022-10-16 13:06:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1217 states have (on average 1.2169268693508628) internal successors, (1481), 1230 states have internal predecessors, (1481), 275 states have call successors, (275), 102 states have call predecessors, (275), 102 states have return successors, (275), 273 states have call predecessors, (275), 275 states have call successors, (275) [2022-10-16 13:06:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2031 transitions. [2022-10-16 13:06:43,761 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2031 transitions. Word has length 209 [2022-10-16 13:06:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:43,762 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2031 transitions. [2022-10-16 13:06:43,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 23.166666666666668) internal successors, (278), 9 states have internal predecessors, (278), 8 states have call successors, (44), 8 states have call predecessors, (44), 4 states have return successors, (38), 8 states have call predecessors, (38), 8 states have call successors, (38) [2022-10-16 13:06:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2031 transitions. [2022-10-16 13:06:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-10-16 13:06:43,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:43,771 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 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 13:06:43,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 13:06:43,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:43,987 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:43,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:43,988 INFO L85 PathProgramCache]: Analyzing trace with hash -559905751, now seen corresponding path program 1 times [2022-10-16 13:06:43,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:43,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706058104] [2022-10-16 13:06:43,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:06:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:06:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:06:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:06:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:06:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:06:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:06:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:06:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:06:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-16 13:06:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 13:06:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 13:06:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-16 13:06:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 13:06:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 13:06:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-10-16 13:06:44,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:44,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706058104] [2022-10-16 13:06:44,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706058104] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:06:44,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257188927] [2022-10-16 13:06:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:44,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:44,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:44,613 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:06:44,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:06:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:45,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:06:45,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:06:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-10-16 13:06:45,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:06:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-10-16 13:06:45,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257188927] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:06:45,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:06:45,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 9 [2022-10-16 13:06:45,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390845031] [2022-10-16 13:06:45,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:06:45,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:06:45,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:45,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:06:45,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:06:45,282 INFO L87 Difference]: Start difference. First operand 1597 states and 2031 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 13:06:47,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:50,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:51,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:06:51,857 INFO L93 Difference]: Finished difference Result 5259 states and 7141 transitions. [2022-10-16 13:06:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:06:51,858 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 248 [2022-10-16 13:06:51,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:06:51,869 INFO L225 Difference]: With dead ends: 5259 [2022-10-16 13:06:51,870 INFO L226 Difference]: Without dead ends: 4012 [2022-10-16 13:06:51,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 553 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:06:51,875 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1022 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 408 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:06:51,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 2697 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 1176 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 13:06:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2022-10-16 13:06:52,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 1675. [2022-10-16 13:06:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1265 states have (on average 1.216600790513834) internal successors, (1539), 1278 states have internal predecessors, (1539), 305 states have call successors, (305), 102 states have call predecessors, (305), 102 states have return successors, (305), 303 states have call predecessors, (305), 305 states have call successors, (305) [2022-10-16 13:06:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2149 transitions. [2022-10-16 13:06:52,225 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2149 transitions. Word has length 248 [2022-10-16 13:06:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:06:52,226 INFO L495 AbstractCegarLoop]: Abstraction has 1675 states and 2149 transitions. [2022-10-16 13:06:52,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-16 13:06:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2149 transitions. [2022-10-16 13:06:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-16 13:06:52,234 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:06:52,234 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-10-16 13:06:52,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 13:06:52,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 13:06:52,449 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:06:52,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:06:52,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1430905474, now seen corresponding path program 2 times [2022-10-16 13:06:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:06:52,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741882421] [2022-10-16 13:06:52,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:06:52,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:06:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:06:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:06:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:06:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:06:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:06:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:06:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:06:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:06:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:06:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:06:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:06:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:06:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:06:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:06:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:06:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:06:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:06:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 13:06:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 13:06:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-10-16 13:06:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:06:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 13:06:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:06:53,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741882421] [2022-10-16 13:06:53,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741882421] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:06:53,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844239449] [2022-10-16 13:06:53,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:06:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:06:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:06:53,465 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:06:53,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 13:06:54,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:06:54,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:06:54,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 13:06:54,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:06:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 13:06:54,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:06:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 13:06:54,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844239449] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:06:54,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:06:54,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2022-10-16 13:06:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621210504] [2022-10-16 13:06:54,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:06:54,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 13:06:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:06:54,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 13:06:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2022-10-16 13:06:54,559 INFO L87 Difference]: Start difference. First operand 1675 states and 2149 transitions. Second operand has 21 states, 20 states have (on average 9.25) internal successors, (185), 17 states have internal predecessors, (185), 13 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (29), 13 states have call predecessors, (29), 13 states have call successors, (29) [2022-10-16 13:06:57,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:06:58,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:03,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:03,229 INFO L93 Difference]: Finished difference Result 6317 states and 9072 transitions. [2022-10-16 13:07:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 13:07:03,230 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 9.25) internal successors, (185), 17 states have internal predecessors, (185), 13 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (29), 13 states have call predecessors, (29), 13 states have call successors, (29) Word has length 232 [2022-10-16 13:07:03,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:03,250 INFO L225 Difference]: With dead ends: 6317 [2022-10-16 13:07:03,250 INFO L226 Difference]: Without dead ends: 6315 [2022-10-16 13:07:03,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2022-10-16 13:07:03,254 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 3165 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 725 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3535 SdHoareTripleChecker+Valid, 4781 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 725 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:03,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3535 Valid, 4781 Invalid, 3560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [725 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-10-16 13:07:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6315 states. [2022-10-16 13:07:03,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6315 to 1915. [2022-10-16 13:07:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1473 states have (on average 1.2186014935505771) internal successors, (1795), 1486 states have internal predecessors, (1795), 337 states have call successors, (337), 102 states have call predecessors, (337), 102 states have return successors, (337), 335 states have call predecessors, (337), 337 states have call successors, (337) [2022-10-16 13:07:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2469 transitions. [2022-10-16 13:07:03,960 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2469 transitions. Word has length 232 [2022-10-16 13:07:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:03,960 INFO L495 AbstractCegarLoop]: Abstraction has 1915 states and 2469 transitions. [2022-10-16 13:07:03,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 9.25) internal successors, (185), 17 states have internal predecessors, (185), 13 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (29), 13 states have call predecessors, (29), 13 states have call successors, (29) [2022-10-16 13:07:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2469 transitions. [2022-10-16 13:07:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-10-16 13:07:03,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:03,969 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:04,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:04,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 13:07:04,183 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:07:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:04,183 INFO L85 PathProgramCache]: Analyzing trace with hash 737784434, now seen corresponding path program 2 times [2022-10-16 13:07:04,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:04,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244271991] [2022-10-16 13:07:04,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:04,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:07:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:07:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:07:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:07:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:07:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 13:07:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:07:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:07:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:07:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:07:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:07:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-10-16 13:07:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:07:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-16 13:07:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 13:07:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 13:07:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-16 13:07:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 13:07:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 13:07:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 13:07:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-16 13:07:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-16 13:07:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 13:07:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-16 13:07:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-16 13:07:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-10-16 13:07:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-10-16 13:07:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 13:07:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-10-16 13:07:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-16 13:07:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-10-16 13:07:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-10-16 13:07:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-10-16 13:07:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-10-16 13:07:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-10-16 13:07:05,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:05,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244271991] [2022-10-16 13:07:05,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244271991] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:07:05,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827797965] [2022-10-16 13:07:05,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:07:05,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:05,469 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:05,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 13:07:06,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:07:06,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:07:06,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:07:06,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-10-16 13:07:06,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:07:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-10-16 13:07:06,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827797965] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:07:06,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:07:06,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15 [2022-10-16 13:07:06,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731225826] [2022-10-16 13:07:06,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:07:06,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 13:07:06,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:06,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 13:07:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:07:06,589 INFO L87 Difference]: Start difference. First operand 1915 states and 2469 transitions. Second operand has 16 states, 15 states have (on average 11.2) internal successors, (168), 12 states have internal predecessors, (168), 9 states have call successors, (88), 5 states have call predecessors, (88), 1 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2022-10-16 13:07:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:12,727 INFO L93 Difference]: Finished difference Result 12477 states and 17275 transitions. [2022-10-16 13:07:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 13:07:12,727 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 12 states have internal predecessors, (168), 9 states have call successors, (88), 5 states have call predecessors, (88), 1 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) Word has length 368 [2022-10-16 13:07:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:12,756 INFO L225 Difference]: With dead ends: 12477 [2022-10-16 13:07:12,756 INFO L226 Difference]: Without dead ends: 10912 [2022-10-16 13:07:12,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:07:12,766 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 4051 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 1215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:12,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4519 Valid, 4392 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1215 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 13:07:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10912 states. [2022-10-16 13:07:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10912 to 2071. [2022-10-16 13:07:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1569 states have (on average 1.2166985340981518) internal successors, (1909), 1582 states have internal predecessors, (1909), 397 states have call successors, (397), 102 states have call predecessors, (397), 102 states have return successors, (397), 395 states have call predecessors, (397), 397 states have call successors, (397) [2022-10-16 13:07:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2703 transitions. [2022-10-16 13:07:13,356 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2703 transitions. Word has length 368 [2022-10-16 13:07:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:13,357 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2703 transitions. [2022-10-16 13:07:13,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.2) internal successors, (168), 12 states have internal predecessors, (168), 9 states have call successors, (88), 5 states have call predecessors, (88), 1 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2022-10-16 13:07:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2703 transitions. [2022-10-16 13:07:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-10-16 13:07:13,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:13,366 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 13:07:13,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:13,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 13:07:13,581 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:07:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:13,581 INFO L85 PathProgramCache]: Analyzing trace with hash 831058878, now seen corresponding path program 3 times [2022-10-16 13:07:13,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:13,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770171019] [2022-10-16 13:07:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:07:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:07:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:07:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:07:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:07:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:07:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:07:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:07:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 13:07:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:07:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:07:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:07:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:07:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:07:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 13:07:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 13:07:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-10-16 13:07:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-16 13:07:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-16 13:07:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-16 13:07:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-16 13:07:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-16 13:07:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-16 13:07:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-10-16 13:07:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-10-16 13:07:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-10-16 13:07:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:15,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770171019] [2022-10-16 13:07:15,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770171019] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:07:15,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400805378] [2022-10-16 13:07:15,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 13:07:15,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:15,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:15,849 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:15,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 13:07:16,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 13:07:16,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:07:16,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:07:16,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2022-10-16 13:07:16,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:07:16,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400805378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:16,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:07:16,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [20] total 23 [2022-10-16 13:07:16,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982032600] [2022-10-16 13:07:16,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:16,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:16,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:16,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:16,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-10-16 13:07:16,687 INFO L87 Difference]: Start difference. First operand 2071 states and 2703 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:07:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:17,308 INFO L93 Difference]: Finished difference Result 4150 states and 5520 transitions. [2022-10-16 13:07:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:07:17,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 332 [2022-10-16 13:07:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:17,319 INFO L225 Difference]: With dead ends: 4150 [2022-10-16 13:07:17,319 INFO L226 Difference]: Without dead ends: 2084 [2022-10-16 13:07:17,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:07:17,335 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 2 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:17,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1264 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:07:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-10-16 13:07:17,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2084. [2022-10-16 13:07:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1580 states have (on average 1.2164556962025317) internal successors, (1922), 1595 states have internal predecessors, (1922), 397 states have call successors, (397), 102 states have call predecessors, (397), 104 states have return successors, (399), 395 states have call predecessors, (399), 397 states have call successors, (399) [2022-10-16 13:07:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2718 transitions. [2022-10-16 13:07:17,805 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2718 transitions. Word has length 332 [2022-10-16 13:07:17,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:17,806 INFO L495 AbstractCegarLoop]: Abstraction has 2084 states and 2718 transitions. [2022-10-16 13:07:17,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:07:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2718 transitions. [2022-10-16 13:07:17,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-10-16 13:07:17,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:17,814 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 13:07:17,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:18,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 13:07:18,016 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:07:18,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:18,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1623453388, now seen corresponding path program 1 times [2022-10-16 13:07:18,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:18,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177710660] [2022-10-16 13:07:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:07:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:07:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:07:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:07:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 13:07:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:07:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:07:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 13:07:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 13:07:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 13:07:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 13:07:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-16 13:07:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 13:07:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:07:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 13:07:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 13:07:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 13:07:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-16 13:07:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 13:07:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 13:07:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-10-16 13:07:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 13:07:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 13:07:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-10-16 13:07:20,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:20,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177710660] [2022-10-16 13:07:20,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177710660] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:07:20,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298615583] [2022-10-16 13:07:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:20,100 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:20,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 13:07:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:21,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 3023 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 13:07:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-10-16 13:07:21,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:07:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-10-16 13:07:22,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298615583] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:07:22,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:07:22,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 36 [2022-10-16 13:07:22,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562573615] [2022-10-16 13:07:22,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:07:22,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 13:07:22,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:22,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 13:07:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=792, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 13:07:22,021 INFO L87 Difference]: Start difference. First operand 2084 states and 2718 transitions. Second operand has 37 states, 36 states have (on average 8.055555555555555) internal successors, (290), 33 states have internal predecessors, (290), 29 states have call successors, (60), 5 states have call predecessors, (60), 1 states have return successors, (45), 29 states have call predecessors, (45), 29 states have call successors, (45) [2022-10-16 13:07:25,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:35,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:35,574 INFO L93 Difference]: Finished difference Result 14087 states and 20354 transitions. [2022-10-16 13:07:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 13:07:35,575 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 8.055555555555555) internal successors, (290), 33 states have internal predecessors, (290), 29 states have call successors, (60), 5 states have call predecessors, (60), 1 states have return successors, (45), 29 states have call predecessors, (45), 29 states have call successors, (45) Word has length 336 [2022-10-16 13:07:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:35,630 INFO L225 Difference]: With dead ends: 14087 [2022-10-16 13:07:35,630 INFO L226 Difference]: Without dead ends: 14085 [2022-10-16 13:07:35,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=540, Invalid=792, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 13:07:35,645 INFO L413 NwaCegarLoop]: 1247 mSDtfsCounter, 9102 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 5288 mSolverCounterSat, 2261 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9820 SdHoareTripleChecker+Valid, 6906 SdHoareTripleChecker+Invalid, 7550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2261 IncrementalHoareTripleChecker+Valid, 5288 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:35,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9820 Valid, 6906 Invalid, 7550 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2261 Valid, 5288 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-10-16 13:07:35,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14085 states. [2022-10-16 13:07:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14085 to 2564. [2022-10-16 13:07:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1996 states have (on average 1.219438877755511) internal successors, (2434), 2011 states have internal predecessors, (2434), 461 states have call successors, (461), 102 states have call predecessors, (461), 104 states have return successors, (463), 459 states have call predecessors, (463), 461 states have call successors, (463) [2022-10-16 13:07:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3358 transitions. [2022-10-16 13:07:36,575 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3358 transitions. Word has length 336 [2022-10-16 13:07:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 2564 states and 3358 transitions. [2022-10-16 13:07:36,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 8.055555555555555) internal successors, (290), 33 states have internal predecessors, (290), 29 states have call successors, (60), 5 states have call predecessors, (60), 1 states have return successors, (45), 29 states have call predecessors, (45), 29 states have call successors, (45) [2022-10-16 13:07:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3358 transitions. [2022-10-16 13:07:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-10-16 13:07:36,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:36,594 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 30, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-16 13:07:36,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:36,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 13:07:36,809 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:07:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:36,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1200487756, now seen corresponding path program 2 times [2022-10-16 13:07:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:36,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159043065] [2022-10-16 13:07:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:36,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:07:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:07:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:07:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:07:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 13:07:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:07:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:07:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-16 13:07:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:07:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 13:07:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 13:07:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 13:07:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-16 13:07:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 13:07:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:07:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 13:07:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 13:07:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-16 13:07:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-16 13:07:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-16 13:07:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 13:07:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-10-16 13:07:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-10-16 13:07:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-10-16 13:07:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-10-16 13:07:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-10-16 13:07:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-10-16 13:07:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-10-16 13:07:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-10-16 13:07:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-10-16 13:07:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-10-16 13:07:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-10-16 13:07:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-10-16 13:07:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-10-16 13:07:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-10-16 13:07:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-10-16 13:07:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-10-16 13:07:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-10-16 13:07:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-10-16 13:07:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-10-16 13:07:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 0 proven. 1680 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2022-10-16 13:07:41,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:41,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159043065] [2022-10-16 13:07:41,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159043065] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:07:41,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725096692] [2022-10-16 13:07:41,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:07:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:41,529 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:41,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 13:07:42,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:07:42,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:07:43,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 5055 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-16 13:07:43,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 0 proven. 1680 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2022-10-16 13:07:43,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:07:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 0 proven. 1680 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2022-10-16 13:07:45,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725096692] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:07:45,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:07:45,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 32, 32] total 68 [2022-10-16 13:07:45,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612795223] [2022-10-16 13:07:45,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:07:45,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-10-16 13:07:45,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:45,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-10-16 13:07:45,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2092, Invalid=2600, Unknown=0, NotChecked=0, Total=4692 [2022-10-16 13:07:45,772 INFO L87 Difference]: Start difference. First operand 2564 states and 3358 transitions. Second operand has 69 states, 68 states have (on average 7.323529411764706) internal successors, (498), 65 states have internal predecessors, (498), 61 states have call successors, (92), 5 states have call predecessors, (92), 1 states have return successors, (77), 61 states have call predecessors, (77), 61 states have call successors, (77) [2022-10-16 13:07:47,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:08:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:14,155 INFO L93 Difference]: Finished difference Result 27223 states and 39602 transitions. [2022-10-16 13:08:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-16 13:08:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 68 states have (on average 7.323529411764706) internal successors, (498), 65 states have internal predecessors, (498), 61 states have call successors, (92), 5 states have call predecessors, (92), 1 states have return successors, (77), 61 states have call predecessors, (77), 61 states have call successors, (77) Word has length 536 [2022-10-16 13:08:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:14,262 INFO L225 Difference]: With dead ends: 27223 [2022-10-16 13:08:14,262 INFO L226 Difference]: Without dead ends: 27221 [2022-10-16 13:08:14,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2092, Invalid=2600, Unknown=0, NotChecked=0, Total=4692 [2022-10-16 13:08:14,281 INFO L413 NwaCegarLoop]: 1938 mSDtfsCounter, 21843 mSDsluCounter, 10681 mSDsCounter, 0 mSdLazyCounter, 9959 mSolverCounterSat, 4919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23309 SdHoareTripleChecker+Valid, 12619 SdHoareTripleChecker+Invalid, 14878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4919 IncrementalHoareTripleChecker+Valid, 9959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:14,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23309 Valid, 12619 Invalid, 14878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4919 Valid, 9959 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-10-16 13:08:14,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27221 states. [2022-10-16 13:08:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27221 to 3524. [2022-10-16 13:08:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3524 states, 2828 states have (on average 1.2227722772277227) internal successors, (3458), 2843 states have internal predecessors, (3458), 589 states have call successors, (589), 102 states have call predecessors, (589), 104 states have return successors, (591), 587 states have call predecessors, (591), 589 states have call successors, (591) [2022-10-16 13:08:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3524 states and 4638 transitions. [2022-10-16 13:08:15,648 INFO L78 Accepts]: Start accepts. Automaton has 3524 states and 4638 transitions. Word has length 536 [2022-10-16 13:08:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:15,649 INFO L495 AbstractCegarLoop]: Abstraction has 3524 states and 4638 transitions. [2022-10-16 13:08:15,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 68 states have (on average 7.323529411764706) internal successors, (498), 65 states have internal predecessors, (498), 61 states have call successors, (92), 5 states have call predecessors, (92), 1 states have return successors, (77), 61 states have call predecessors, (77), 61 states have call successors, (77) [2022-10-16 13:08:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 4638 transitions. [2022-10-16 13:08:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2022-10-16 13:08:15,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:15,663 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 24, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:08:15,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:15,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 13:08:15,865 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 13:08:15,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:15,866 INFO L85 PathProgramCache]: Analyzing trace with hash -519338582, now seen corresponding path program 1 times [2022-10-16 13:08:15,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:15,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454378895] [2022-10-16 13:08:15,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:15,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:08:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:08:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:08:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:08:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:08:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:08:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:08:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:08:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 13:08:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:08:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:08:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 13:08:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:08:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-16 13:08:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-16 13:08:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:08:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-16 13:08:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 13:08:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-16 13:08:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-16 13:08:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 13:08:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 13:08:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 13:08:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-10-16 13:08:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 13:08:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-10-16 13:08:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-10-16 13:08:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 13:08:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-10-16 13:08:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-10-16 13:08:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 13:08:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-10-16 13:08:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-10-16 13:08:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-10-16 13:08:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-10-16 13:08:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-10-16 13:08:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-16 13:08:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-10-16 13:08:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 13:08:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-10-16 13:08:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-10-16 13:08:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-10-16 13:08:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-10-16 13:08:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-10-16 13:08:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-10-16 13:08:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-10-16 13:08:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-10-16 13:08:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-10-16 13:08:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-10-16 13:08:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-10-16 13:08:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-10-16 13:08:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-10-16 13:08:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-10-16 13:08:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-10-16 13:08:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-10-16 13:08:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-10-16 13:08:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-10-16 13:08:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-10-16 13:08:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-10-16 13:08:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-10-16 13:08:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-10-16 13:08:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:08:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 13:08:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-10-16 13:08:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-10-16 13:08:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-10-16 13:08:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3834 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2022-10-16 13:08:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:18,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454378895] [2022-10-16 13:08:18,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454378895] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:08:18,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721200150] [2022-10-16 13:08:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:18,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:18,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:18,284 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:18,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 13:08:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:19,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 4559 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 13:08:19,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3834 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2022-10-16 13:08:19,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:08:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3834 backedges. 0 proven. 615 refuted. 0 times theorem prover too weak. 3219 trivial. 0 not checked. [2022-10-16 13:08:20,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721200150] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:08:20,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:08:20,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 27 [2022-10-16 13:08:20,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360894020] [2022-10-16 13:08:20,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:08:20,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 13:08:20,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 13:08:20,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=468, Unknown=0, NotChecked=0, Total=756 [2022-10-16 13:08:20,551 INFO L87 Difference]: Start difference. First operand 3524 states and 4638 transitions. Second operand has 28 states, 27 states have (on average 9.814814814814815) internal successors, (265), 24 states have internal predecessors, (265), 21 states have call successors, (160), 5 states have call predecessors, (160), 1 states have return successors, (122), 21 states have call predecessors, (122), 21 states have call successors, (122)