/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-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:10:01,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:10:01,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:10:01,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:10:01,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:10:01,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:10:01,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:10:01,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:10:01,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:10:01,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:10:01,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:10:01,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:10:01,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:10:01,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:10:01,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:10:01,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:10:01,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:10:01,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:10:01,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:10:01,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:10:01,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:10:01,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:10:01,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:10:01,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:10:01,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:10:01,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:10:01,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:10:01,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:10:01,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:10:01,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:10:01,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:10:01,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:10:01,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:10:01,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:10:01,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:10:01,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:10:01,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:10:01,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:10:01,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:10:01,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:10:01,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:10:01,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:10:02,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:10:02,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:10:02,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:10:02,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:10:02,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:10:02,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:10:02,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:10:02,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:10:02,032 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:10:02,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:10:02,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:10:02,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:10:02,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:10:02,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:10:02,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:10:02,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:10:02,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:10:02,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:10:02,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:10:02,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:10:02,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:10:02,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:02,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:10:02,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:10:02,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:10:02,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:10:02,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:10:02,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:10:02,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:10:02,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:10:02,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:10:02,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:10:02,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:10:02,529 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:10:02,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-10-15 21:10:02,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defbf280e/4fa5d54f715c4a968271cbd2515859b9/FLAGc05c657e2 [2022-10-15 21:10:03,779 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:10:03,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-10-15 21:10:03,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defbf280e/4fa5d54f715c4a968271cbd2515859b9/FLAGc05c657e2 [2022-10-15 21:10:04,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defbf280e/4fa5d54f715c4a968271cbd2515859b9 [2022-10-15 21:10:04,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:10:04,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:10:04,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:04,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:10:04,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:10:04,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:04" (1/1) ... [2022-10-15 21:10:04,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ee4dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:04, skipping insertion in model container [2022-10-15 21:10:04,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:04" (1/1) ... [2022-10-15 21:10:04,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:10:04,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:10:06,146 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-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-10-15 21:10:06,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:06,228 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:10:06,777 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-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-10-15 21:10:06,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:07,028 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:10:07,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07 WrapperNode [2022-10-15 21:10:07,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:07,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:07,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:10:07,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:10:07,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,308 INFO L138 Inliner]: procedures = 200, calls = 1489, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3444 [2022-10-15 21:10:07,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:07,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:10:07,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:10:07,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:10:07,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:10:07,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:10:07,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:10:07,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:10:07,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (1/1) ... [2022-10-15 21:10:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:07,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:10:07,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 21:10:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 21:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:10:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 21:10:07,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 21:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:10:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-15 21:10:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-15 21:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:10:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 21:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-15 21:10:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-15 21:10:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:10:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:10:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-15 21:10:07,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-15 21:10:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-10-15 21:10:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-10-15 21:10:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:10:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:10:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 21:10:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 21:10:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:10:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:10:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:10:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:10:07,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-15 21:10:07,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-15 21:10:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-10-15 21:10:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-10-15 21:10:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:10:07,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:10:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:10:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:10:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:10:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:10:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:10:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:10:07,742 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:10:07,742 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:10:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-15 21:10:07,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-15 21:10:07,743 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-15 21:10:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-15 21:10:07,744 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-10-15 21:10:07,744 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-10-15 21:10:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:10:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:10:07,745 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-15 21:10:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-15 21:10:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-10-15 21:10:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-10-15 21:10:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:10:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:10:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:10:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:10:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:10:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:10:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:10:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:10:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:10:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:10:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:10:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-15 21:10:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-15 21:10:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:10:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:10:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-10-15 21:10:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-10-15 21:10:07,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:10:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:10:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:10:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:10:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:10:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:10:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:10:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-10-15 21:10:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-10-15 21:10:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:10:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:10:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:10:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:10:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-10-15 21:10:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-10-15 21:10:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:10:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-15 21:10:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-15 21:10:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-10-15 21:10:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-10-15 21:10:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-10-15 21:10:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-10-15 21:10:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:10:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:10:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 21:10:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 21:10:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-10-15 21:10:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-10-15 21:10:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-10-15 21:10:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-10-15 21:10:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-15 21:10:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-15 21:10:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:10:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:10:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:10:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:10:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-15 21:10:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-15 21:10:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-10-15 21:10:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-10-15 21:10:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:10:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-10-15 21:10:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-10-15 21:10:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-10-15 21:10:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-10-15 21:10:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-10-15 21:10:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-10-15 21:10:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-10-15 21:10:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-10-15 21:10:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:10:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:10:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:10:07,774 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:10:08,483 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:10:08,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:10:09,283 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,292 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,303 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,304 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,307 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,308 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:09,322 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:13,155 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##252: assume !false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##251: assume false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume !false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##238: assume !false; [2022-10-15 21:10:13,156 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##237: assume false; [2022-10-15 21:10:13,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##438: assume false; [2022-10-15 21:10:13,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume !false; [2022-10-15 21:10:13,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-10-15 21:10:13,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-10-15 21:10:13,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2022-10-15 21:10:13,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-10-15 21:10:13,273 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:10:13,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:10:13,345 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:10:13,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:13 BoogieIcfgContainer [2022-10-15 21:10:13,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:10:13,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:10:13,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:10:13,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:10:13,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:10:04" (1/3) ... [2022-10-15 21:10:13,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e13229a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:13, skipping insertion in model container [2022-10-15 21:10:13,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:07" (2/3) ... [2022-10-15 21:10:13,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e13229a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:13, skipping insertion in model container [2022-10-15 21:10:13,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:13" (3/3) ... [2022-10-15 21:10:13,383 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-10-15 21:10:13,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:10:13,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 82 error locations. [2022-10-15 21:10:13,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:10:13,571 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;@51db9196, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:10:13,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2022-10-15 21:10:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 1256 states, 857 states have (on average 1.380396732788798) internal successors, (1183), 946 states have internal predecessors, (1183), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-10-15 21:10:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 21:10:13,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:13,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 21:10:13,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:13,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1104686478, now seen corresponding path program 1 times [2022-10-15 21:10:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:13,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171728523] [2022-10-15 21:10:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:13,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:14,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:14,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171728523] [2022-10-15 21:10:14,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171728523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:14,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:14,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:10:14,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174555980] [2022-10-15 21:10:14,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:14,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:14,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:14,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:10:14,388 INFO L87 Difference]: Start difference. First operand has 1256 states, 857 states have (on average 1.380396732788798) internal successors, (1183), 946 states have internal predecessors, (1183), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:14,679 INFO L93 Difference]: Finished difference Result 2463 states and 3413 transitions. [2022-10-15 21:10:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:14,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-15 21:10:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:14,713 INFO L225 Difference]: With dead ends: 2463 [2022-10-15 21:10:14,713 INFO L226 Difference]: Without dead ends: 1202 [2022-10-15 21:10:14,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:10:14,734 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 1 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3266 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:14,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3266 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-10-15 21:10:14,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1202. [2022-10-15 21:10:14,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 851 states have (on average 1.3043478260869565) internal successors, (1110), 893 states have internal predecessors, (1110), 258 states have call successors, (258), 55 states have call predecessors, (258), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-10-15 21:10:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1626 transitions. [2022-10-15 21:10:14,914 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1626 transitions. Word has length 6 [2022-10-15 21:10:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:14,914 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1626 transitions. [2022-10-15 21:10:14,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1626 transitions. [2022-10-15 21:10:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:10:14,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:14,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:14,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:10:14,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:14,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:14,918 INFO L85 PathProgramCache]: Analyzing trace with hash 418497044, now seen corresponding path program 1 times [2022-10-15 21:10:14,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:14,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375927809] [2022-10-15 21:10:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:15,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:15,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375927809] [2022-10-15 21:10:15,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375927809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:15,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:15,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:10:15,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484049004] [2022-10-15 21:10:15,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:15,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:15,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:15,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:10:15,101 INFO L87 Difference]: Start difference. First operand 1202 states and 1626 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:15,184 INFO L93 Difference]: Finished difference Result 1202 states and 1626 transitions. [2022-10-15 21:10:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-15 21:10:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:15,194 INFO L225 Difference]: With dead ends: 1202 [2022-10-15 21:10:15,195 INFO L226 Difference]: Without dead ends: 1201 [2022-10-15 21:10:15,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:10:15,198 INFO L413 NwaCegarLoop]: 1616 mSDtfsCounter, 2 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:15,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3230 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:15,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-10-15 21:10:15,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2022-10-15 21:10:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 851 states have (on average 1.3031727379553466) internal successors, (1109), 892 states have internal predecessors, (1109), 258 states have call successors, (258), 55 states have call predecessors, (258), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-10-15 21:10:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1625 transitions. [2022-10-15 21:10:15,269 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1625 transitions. Word has length 10 [2022-10-15 21:10:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:15,270 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1625 transitions. [2022-10-15 21:10:15,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1625 transitions. [2022-10-15 21:10:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:10:15,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:15,271 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-15 21:10:15,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:10:15,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:15,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash 88507104, now seen corresponding path program 1 times [2022-10-15 21:10:15,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:15,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835329570] [2022-10-15 21:10:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:15,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:15,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:15,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835329570] [2022-10-15 21:10:15,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835329570] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:15,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760461535] [2022-10-15 21:10:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:15,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:15,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:15,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:10:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:16,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:10:16,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:16,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:16,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760461535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:16,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:16,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-15 21:10:16,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124623165] [2022-10-15 21:10:16,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:16,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:10:16,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:10:16,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:16,104 INFO L87 Difference]: Start difference. First operand 1201 states and 1625 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:16,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:16,234 INFO L93 Difference]: Finished difference Result 1201 states and 1625 transitions. [2022-10-15 21:10:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:10:16,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 21:10:16,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:16,247 INFO L225 Difference]: With dead ends: 1201 [2022-10-15 21:10:16,247 INFO L226 Difference]: Without dead ends: 1200 [2022-10-15 21:10:16,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:16,259 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 790 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:16,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 2823 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2022-10-15 21:10:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1197. [2022-10-15 21:10:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 848 states have (on average 1.303066037735849) internal successors, (1105), 888 states have internal predecessors, (1105), 258 states have call successors, (258), 55 states have call predecessors, (258), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-10-15 21:10:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1621 transitions. [2022-10-15 21:10:16,357 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1621 transitions. Word has length 11 [2022-10-15 21:10:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:16,357 INFO L495 AbstractCegarLoop]: Abstraction has 1197 states and 1621 transitions. [2022-10-15 21:10:16,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:10:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1621 transitions. [2022-10-15 21:10:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:10:16,361 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:16,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:16,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:16,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:16,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:16,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1483835786, now seen corresponding path program 1 times [2022-10-15 21:10:16,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:16,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93401138] [2022-10-15 21:10:16,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:16,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:10:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:16,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93401138] [2022-10-15 21:10:16,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93401138] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:16,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316363191] [2022-10-15 21:10:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:16,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:16,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:16,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:16,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:10:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:17,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:17,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:17,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:17,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316363191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:17,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:17,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 5 [2022-10-15 21:10:17,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587622987] [2022-10-15 21:10:17,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:17,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:17,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:17,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:17,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:17,502 INFO L87 Difference]: Start difference. First operand 1197 states and 1621 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:17,693 INFO L93 Difference]: Finished difference Result 3555 states and 4825 transitions. [2022-10-15 21:10:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:17,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2022-10-15 21:10:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:17,716 INFO L225 Difference]: With dead ends: 3555 [2022-10-15 21:10:17,716 INFO L226 Difference]: Without dead ends: 2372 [2022-10-15 21:10:17,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:17,728 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 1578 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:17,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 3793 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:17,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2022-10-15 21:10:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2339. [2022-10-15 21:10:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2339 states, 1679 states have (on average 1.302561048243002) internal successors, (2187), 1724 states have internal predecessors, (2187), 514 states have call successors, (514), 110 states have call predecessors, (514), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-10-15 21:10:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 3215 transitions. [2022-10-15 21:10:17,930 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 3215 transitions. Word has length 36 [2022-10-15 21:10:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:17,931 INFO L495 AbstractCegarLoop]: Abstraction has 2339 states and 3215 transitions. [2022-10-15 21:10:17,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 3215 transitions. [2022-10-15 21:10:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:10:17,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:17,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:17,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:18,155 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,SelfDestructingSolverStorable3 [2022-10-15 21:10:18,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1173277256, now seen corresponding path program 1 times [2022-10-15 21:10:18,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:18,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215707427] [2022-10-15 21:10:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:18,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:18,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215707427] [2022-10-15 21:10:18,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215707427] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:18,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534811106] [2022-10-15 21:10:18,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:18,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:18,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:18,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:18,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:10:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:18,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:18,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:18,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:18,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534811106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:18,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:18,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:10:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350045678] [2022-10-15 21:10:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:18,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:18,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:18,810 INFO L87 Difference]: Start difference. First operand 2339 states and 3215 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:20,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:22,263 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 [] [2022-10-15 21:10:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:22,356 INFO L93 Difference]: Finished difference Result 3949 states and 5648 transitions. [2022-10-15 21:10:22,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:22,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-10-15 21:10:22,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:22,387 INFO L225 Difference]: With dead ends: 3949 [2022-10-15 21:10:22,387 INFO L226 Difference]: Without dead ends: 3946 [2022-10-15 21:10:22,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:22,392 INFO L413 NwaCegarLoop]: 2392 mSDtfsCounter, 769 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:22,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 4112 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-10-15 21:10:22,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-10-15 21:10:22,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 2381. [2022-10-15 21:10:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1715 states have (on average 1.3032069970845481) internal successors, (2235), 1760 states have internal predecessors, (2235), 520 states have call successors, (520), 110 states have call predecessors, (520), 110 states have return successors, (520), 520 states have call predecessors, (520), 520 states have call successors, (520) [2022-10-15 21:10:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3275 transitions. [2022-10-15 21:10:22,608 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3275 transitions. Word has length 36 [2022-10-15 21:10:22,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:22,608 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3275 transitions. [2022-10-15 21:10:22,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3275 transitions. [2022-10-15 21:10:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:10:22,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:22,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:22,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-15 21:10:22,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:22,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1245731589, now seen corresponding path program 1 times [2022-10-15 21:10:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:22,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670970128] [2022-10-15 21:10:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:10:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:23,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:23,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670970128] [2022-10-15 21:10:23,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670970128] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:23,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851083331] [2022-10-15 21:10:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:23,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:23,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:23,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:23,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:10:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:23,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:23,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:23,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:23,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851083331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:23,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:23,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [4] total 5 [2022-10-15 21:10:23,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054738061] [2022-10-15 21:10:23,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:23,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:23,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:23,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:23,623 INFO L87 Difference]: Start difference. First operand 2381 states and 3275 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:23,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:23,862 INFO L93 Difference]: Finished difference Result 3579 states and 4906 transitions. [2022-10-15 21:10:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:23,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-10-15 21:10:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:23,893 INFO L225 Difference]: With dead ends: 3579 [2022-10-15 21:10:23,893 INFO L226 Difference]: Without dead ends: 3577 [2022-10-15 21:10:23,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:23,897 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 1580 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:23,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 3482 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2022-10-15 21:10:24,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3544. [2022-10-15 21:10:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 2565 states have (on average 1.3033138401559454) internal successors, (3343), 2614 states have internal predecessors, (3343), 779 states have call successors, (779), 165 states have call predecessors, (779), 165 states have return successors, (781), 779 states have call predecessors, (781), 779 states have call successors, (781) [2022-10-15 21:10:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4903 transitions. [2022-10-15 21:10:24,171 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4903 transitions. Word has length 37 [2022-10-15 21:10:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:24,171 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 4903 transitions. [2022-10-15 21:10:24,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4903 transitions. [2022-10-15 21:10:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:10:24,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:24,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:24,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:24,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:24,387 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:24,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2011858329, now seen corresponding path program 1 times [2022-10-15 21:10:24,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:24,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124812853] [2022-10-15 21:10:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:24,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:24,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124812853] [2022-10-15 21:10:24,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124812853] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:24,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137565921] [2022-10-15 21:10:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:24,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:24,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:24,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:24,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:10:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:25,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:25,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:25,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:25,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137565921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:25,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:25,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:10:25,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466394080] [2022-10-15 21:10:25,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:25,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:25,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:25,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:25,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:25,121 INFO L87 Difference]: Start difference. First operand 3544 states and 4903 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:26,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:26,607 INFO L93 Difference]: Finished difference Result 5642 states and 8108 transitions. [2022-10-15 21:10:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:26,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-10-15 21:10:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:26,652 INFO L225 Difference]: With dead ends: 5642 [2022-10-15 21:10:26,653 INFO L226 Difference]: Without dead ends: 5639 [2022-10-15 21:10:26,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:26,659 INFO L413 NwaCegarLoop]: 2486 mSDtfsCounter, 758 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 4135 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:26,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 4135 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:10:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5639 states. [2022-10-15 21:10:27,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5639 to 3560. [2022-10-15 21:10:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2583 states have (on average 1.300038714672861) internal successors, (3358), 2630 states have internal predecessors, (3358), 779 states have call successors, (779), 165 states have call predecessors, (779), 165 states have return successors, (781), 779 states have call predecessors, (781), 779 states have call successors, (781) [2022-10-15 21:10:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4918 transitions. [2022-10-15 21:10:27,056 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4918 transitions. Word has length 37 [2022-10-15 21:10:27,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:27,057 INFO L495 AbstractCegarLoop]: Abstraction has 3560 states and 4918 transitions. [2022-10-15 21:10:27,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4918 transitions. [2022-10-15 21:10:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:10:27,064 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:27,065 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:10:27,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:27,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:27,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash -792137586, now seen corresponding path program 1 times [2022-10-15 21:10:27,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:27,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703367551] [2022-10-15 21:10:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:10:27,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:27,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703367551] [2022-10-15 21:10:27,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703367551] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:27,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266150918] [2022-10-15 21:10:27,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:27,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:27,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:27,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:10:27,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:10:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:27,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:10:27,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:10:28,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:28,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266150918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:28,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:28,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:10:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289088184] [2022-10-15 21:10:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:28,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:28,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:28,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:28,010 INFO L87 Difference]: Start difference. First operand 3560 states and 4918 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:28,277 INFO L93 Difference]: Finished difference Result 7077 states and 9776 transitions. [2022-10-15 21:10:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:28,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-10-15 21:10:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:28,309 INFO L225 Difference]: With dead ends: 7077 [2022-10-15 21:10:28,310 INFO L226 Difference]: Without dead ends: 3532 [2022-10-15 21:10:28,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:28,326 INFO L413 NwaCegarLoop]: 1607 mSDtfsCounter, 1577 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:28,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 1607 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:28,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2022-10-15 21:10:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3532. [2022-10-15 21:10:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 2556 states have (on average 1.296165884194053) internal successors, (3313), 2602 states have internal predecessors, (3313), 779 states have call successors, (779), 165 states have call predecessors, (779), 165 states have return successors, (781), 779 states have call predecessors, (781), 779 states have call successors, (781) [2022-10-15 21:10:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 4873 transitions. [2022-10-15 21:10:28,684 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 4873 transitions. Word has length 41 [2022-10-15 21:10:28,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:28,684 INFO L495 AbstractCegarLoop]: Abstraction has 3532 states and 4873 transitions. [2022-10-15 21:10:28,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:10:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 4873 transitions. [2022-10-15 21:10:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-15 21:10:28,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:28,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:28,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:28,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:28,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:28,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:28,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1920352202, now seen corresponding path program 1 times [2022-10-15 21:10:28,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:28,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630212584] [2022-10-15 21:10:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:28,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:10:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:10:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:29,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:29,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630212584] [2022-10-15 21:10:29,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630212584] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:29,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710650978] [2022-10-15 21:10:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:29,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:29,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:29,096 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) [2022-10-15 21:10:29,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 21:10:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:29,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:29,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:29,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:29,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710650978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:29,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:29,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:10:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364154827] [2022-10-15 21:10:29,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:29,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:29,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:29,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:29,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:29,526 INFO L87 Difference]: Start difference. First operand 3532 states and 4873 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:10:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:29,956 INFO L93 Difference]: Finished difference Result 9102 states and 12836 transitions. [2022-10-15 21:10:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:29,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 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 43 [2022-10-15 21:10:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:29,999 INFO L225 Difference]: With dead ends: 9102 [2022-10-15 21:10:30,000 INFO L226 Difference]: Without dead ends: 5585 [2022-10-15 21:10:30,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:30,017 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 724 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:30,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 3520 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:30,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2022-10-15 21:10:30,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5568. [2022-10-15 21:10:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5568 states, 4041 states have (on average 1.3142786439000247) internal successors, (5311), 4089 states have internal predecessors, (5311), 1331 states have call successors, (1331), 165 states have call predecessors, (1331), 165 states have return successors, (1333), 1331 states have call predecessors, (1333), 1331 states have call successors, (1333) [2022-10-15 21:10:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5568 states to 5568 states and 7975 transitions. [2022-10-15 21:10:30,565 INFO L78 Accepts]: Start accepts. Automaton has 5568 states and 7975 transitions. Word has length 43 [2022-10-15 21:10:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:30,566 INFO L495 AbstractCegarLoop]: Abstraction has 5568 states and 7975 transitions. [2022-10-15 21:10:30,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:10:30,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5568 states and 7975 transitions. [2022-10-15 21:10:30,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-15 21:10:30,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:30,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:30,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:30,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:30,786 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:30,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash 598624767, now seen corresponding path program 1 times [2022-10-15 21:10:30,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:30,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654253584] [2022-10-15 21:10:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:10:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:10:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:30,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:30,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654253584] [2022-10-15 21:10:30,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654253584] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:30,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857444788] [2022-10-15 21:10:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:30,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:30,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:30,978 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) [2022-10-15 21:10:30,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 21:10:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:31,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:10:31,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:10:31,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:31,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857444788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:31,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:31,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:10:31,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068954675] [2022-10-15 21:10:31,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:31,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:10:31,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:31,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:10:31,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:31,481 INFO L87 Difference]: Start difference. First operand 5568 states and 7975 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:10:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:31,924 INFO L93 Difference]: Finished difference Result 5568 states and 7975 transitions. [2022-10-15 21:10:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:10:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 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 44 [2022-10-15 21:10:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:31,963 INFO L225 Difference]: With dead ends: 5568 [2022-10-15 21:10:31,964 INFO L226 Difference]: Without dead ends: 5567 [2022-10-15 21:10:31,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:31,969 INFO L413 NwaCegarLoop]: 1598 mSDtfsCounter, 756 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:31,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 2200 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:10:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5567 states. [2022-10-15 21:10:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5567 to 5567. [2022-10-15 21:10:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5567 states, 4041 states have (on average 1.3135362534026231) internal successors, (5308), 4088 states have internal predecessors, (5308), 1331 states have call successors, (1331), 165 states have call predecessors, (1331), 165 states have return successors, (1333), 1331 states have call predecessors, (1333), 1331 states have call successors, (1333) [2022-10-15 21:10:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7972 transitions. [2022-10-15 21:10:32,414 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7972 transitions. Word has length 44 [2022-10-15 21:10:32,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:32,415 INFO L495 AbstractCegarLoop]: Abstraction has 5567 states and 7972 transitions. [2022-10-15 21:10:32,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:10:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7972 transitions. [2022-10-15 21:10:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:10:32,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:32,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:32,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:32,631 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,SelfDestructingSolverStorable9 [2022-10-15 21:10:32,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:32,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:32,632 INFO L85 PathProgramCache]: Analyzing trace with hash 88520672, now seen corresponding path program 1 times [2022-10-15 21:10:32,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:32,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097226835] [2022-10-15 21:10:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:32,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:10:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:10:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:10:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:32,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:32,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:32,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097226835] [2022-10-15 21:10:32,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097226835] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:32,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283551629] [2022-10-15 21:10:32,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:32,903 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) [2022-10-15 21:10:32,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 21:10:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:33,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:10:33,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:33,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:10:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:33,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283551629] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:10:33,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:10:33,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-15 21:10:33,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017013559] [2022-10-15 21:10:33,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:10:33,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:10:33,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:33,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:10:33,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:10:33,410 INFO L87 Difference]: Start difference. First operand 5567 states and 7972 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:10:36,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:36,095 INFO L93 Difference]: Finished difference Result 11156 states and 16001 transitions. [2022-10-15 21:10:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:10:36,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2022-10-15 21:10:36,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:36,127 INFO L225 Difference]: With dead ends: 11156 [2022-10-15 21:10:36,127 INFO L226 Difference]: Without dead ends: 5597 [2022-10-15 21:10:36,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:10:36,151 INFO L413 NwaCegarLoop]: 1571 mSDtfsCounter, 276 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:36,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 4496 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:10:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2022-10-15 21:10:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5579. [2022-10-15 21:10:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5579 states, 4053 states have (on average 1.3126079447322971) internal successors, (5320), 4100 states have internal predecessors, (5320), 1331 states have call successors, (1331), 165 states have call predecessors, (1331), 165 states have return successors, (1333), 1331 states have call predecessors, (1333), 1331 states have call successors, (1333) [2022-10-15 21:10:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5579 states to 5579 states and 7984 transitions. [2022-10-15 21:10:36,692 INFO L78 Accepts]: Start accepts. Automaton has 5579 states and 7984 transitions. Word has length 46 [2022-10-15 21:10:36,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:36,694 INFO L495 AbstractCegarLoop]: Abstraction has 5579 states and 7984 transitions. [2022-10-15 21:10:36,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-15 21:10:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5579 states and 7984 transitions. [2022-10-15 21:10:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:10:36,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:36,696 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:36,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:36,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:36,910 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:36,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:36,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1435737486, now seen corresponding path program 2 times [2022-10-15 21:10:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:36,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926459672] [2022-10-15 21:10:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:10:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:10:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:37,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:37,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926459672] [2022-10-15 21:10:37,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926459672] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:37,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479720204] [2022-10-15 21:10:37,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:10:37,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:37,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:37,222 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) [2022-10-15 21:10:37,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-15 21:10:37,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 21:10:37,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:10:37,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-15 21:10:37,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 21:10:37,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:10:37,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479720204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:37,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:10:37,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-10-15 21:10:37,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184130595] [2022-10-15 21:10:37,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:37,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:10:37,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:37,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:10:37,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:10:37,776 INFO L87 Difference]: Start difference. First operand 5579 states and 7984 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:41,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:41,198 INFO L93 Difference]: Finished difference Result 14575 states and 21207 transitions. [2022-10-15 21:10:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:10:41,199 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2022-10-15 21:10:41,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:41,238 INFO L225 Difference]: With dead ends: 14575 [2022-10-15 21:10:41,238 INFO L226 Difference]: Without dead ends: 9023 [2022-10-15 21:10:41,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:10:41,259 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 2502 mSDsluCounter, 12077 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 14622 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 692 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:41,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 14622 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [692 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 21:10:41,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9023 states. [2022-10-15 21:10:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9023 to 5615. [2022-10-15 21:10:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5615 states, 4086 states have (on average 1.3100832109642682) internal successors, (5353), 4130 states have internal predecessors, (5353), 1331 states have call successors, (1331), 165 states have call predecessors, (1331), 168 states have return successors, (1360), 1337 states have call predecessors, (1360), 1331 states have call successors, (1360) [2022-10-15 21:10:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 8044 transitions. [2022-10-15 21:10:42,061 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 8044 transitions. Word has length 58 [2022-10-15 21:10:42,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:42,062 INFO L495 AbstractCegarLoop]: Abstraction has 5615 states and 8044 transitions. [2022-10-15 21:10:42,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 8044 transitions. [2022-10-15 21:10:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 21:10:42,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:42,066 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:42,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-15 21:10:42,279 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,SelfDestructingSolverStorable11 [2022-10-15 21:10:42,280 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_module_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:42,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1065299952, now seen corresponding path program 1 times [2022-10-15 21:10:42,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:42,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318245910] [2022-10-15 21:10:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:10:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:10:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 21:10:42,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:42,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318245910] [2022-10-15 21:10:42,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318245910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:42,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:42,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:10:42,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751856451] [2022-10-15 21:10:42,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:42,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:10:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:42,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:10:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:10:42,692 INFO L87 Difference]: Start difference. First operand 5615 states and 8044 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:44,588 INFO L93 Difference]: Finished difference Result 9379 states and 13392 transitions. [2022-10-15 21:10:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:10:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 60 [2022-10-15 21:10:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:44,630 INFO L225 Difference]: With dead ends: 9379 [2022-10-15 21:10:44,631 INFO L226 Difference]: Without dead ends: 9377 [2022-10-15 21:10:44,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:10:44,637 INFO L413 NwaCegarLoop]: 2499 mSDtfsCounter, 3169 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3169 SdHoareTripleChecker+Valid, 5405 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:44,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3169 Valid, 5405 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:10:44,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9377 states. [2022-10-15 21:10:45,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9377 to 9321. [2022-10-15 21:10:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 6794 states have (on average 1.3104209596702974) internal successors, (8903), 6848 states have internal predecessors, (8903), 2217 states have call successors, (2217), 275 states have call predecessors, (2217), 280 states have return successors, (2266), 2227 states have call predecessors, (2266), 2217 states have call successors, (2266) [2022-10-15 21:10:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 13386 transitions. [2022-10-15 21:10:45,763 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 13386 transitions. Word has length 60 [2022-10-15 21:10:45,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:45,763 INFO L495 AbstractCegarLoop]: Abstraction has 9321 states and 13386 transitions. [2022-10-15 21:10:45,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:10:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 13386 transitions. [2022-10-15 21:10:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:10:45,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:45,767 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:45,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:10:45,768 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [fst_cpuresetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fst_cpuresetErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 79 more)] === [2022-10-15 21:10:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1611401906, now seen corresponding path program 1 times [2022-10-15 21:10:45,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:45,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689617418] [2022-10-15 21:10:45,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:10:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:10:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:10:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:46,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:46,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689617418] [2022-10-15 21:10:46,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689617418] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:10:46,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361671630] [2022-10-15 21:10:46,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:46,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:10:46,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:46,080 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) [2022-10-15 21:10:46,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-15 21:10:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:46,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:10:46,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:10:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:46,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:10:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:46,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361671630] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:10:46,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:10:46,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-10-15 21:10:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894271859] [2022-10-15 21:10:46,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:10:46,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:10:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:10:46,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:10:46,693 INFO L87 Difference]: Start difference. First operand 9321 states and 13386 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:10:49,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:49,611 INFO L93 Difference]: Finished difference Result 18666 states and 26816 transitions. [2022-10-15 21:10:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:10:49,611 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2022-10-15 21:10:49,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:49,661 INFO L225 Difference]: With dead ends: 18666 [2022-10-15 21:10:49,662 INFO L226 Difference]: Without dead ends: 9365 [2022-10-15 21:10:49,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:10:49,708 INFO L413 NwaCegarLoop]: 1571 mSDtfsCounter, 309 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:49,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 3425 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 21:10:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9365 states.