/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:43:14,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:43:14,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:43:14,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:43:14,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:43:14,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:43:14,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:43:14,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:43:14,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:43:14,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:43:14,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:43:14,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:43:14,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:43:14,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:43:14,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:43:14,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:43:14,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:43:14,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:43:14,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:43:14,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:43:14,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:43:14,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:43:14,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:43:14,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:43:14,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:43:14,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:43:14,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:43:14,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:43:14,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:43:14,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:43:14,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:43:14,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:43:14,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:43:14,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:43:14,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:43:14,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:43:14,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:43:14,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:43:14,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:43:14,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:43:14,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:43:14,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:43:14,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:43:14,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:43:14,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:43:14,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:43:14,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:43:14,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:43:14,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:43:14,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:43:14,952 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:43:14,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:43:14,953 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:43:14,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:43:14,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:43:14,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:43:14,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:43:14,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:43:14,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:43:14,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:43:14,955 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:43:14,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:43:14,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:43:14,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:43:14,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:43:14,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:43:14,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:43:14,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:43:14,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:43:14,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:43:14,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:43:14,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:43:14,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:43:14,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:43:14,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:43:14,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:43:15,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:43:15,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:43:15,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:43:15,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:43:15,429 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:43:15,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i [2022-10-16 12:43:15,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a727fbf2/6639842722bb4231bdcec3b281f6f671/FLAGc0d763671 [2022-10-16 12:43:16,572 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:43:16,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i [2022-10-16 12:43:16,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a727fbf2/6639842722bb4231bdcec3b281f6f671/FLAGc0d763671 [2022-10-16 12:43:17,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a727fbf2/6639842722bb4231bdcec3b281f6f671 [2022-10-16 12:43:17,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:43:17,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:43:17,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:43:17,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:43:17,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:43:17,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:17" (1/1) ... [2022-10-16 12:43:17,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5946e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:17, skipping insertion in model container [2022-10-16 12:43:17,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:17" (1/1) ... [2022-10-16 12:43:17,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:43:17,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:43:18,762 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i[186556,186569] [2022-10-16 12:43:18,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:43:18,969 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:43:19,419 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i[186556,186569] [2022-10-16 12:43:19,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:43:19,629 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:43:19,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19 WrapperNode [2022-10-16 12:43:19,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:43:19,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:43:19,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:43:19,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:43:19,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:19,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:19,889 INFO L138 Inliner]: procedures = 160, calls = 1605, calls flagged for inlining = 54, calls inlined = 46, statements flattened = 3299 [2022-10-16 12:43:19,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:43:19,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:43:19,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:43:19,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:43:19,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:19,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:19,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:19,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:43:20,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:43:20,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:43:20,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:43:20,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (1/1) ... [2022-10-16 12:43:20,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:43:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:43:20,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:43:20,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:43:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:43:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:43:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:43:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure qdi_qc_issue [2022-10-16 12:43:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure qdi_qc_issue [2022-10-16 12:43:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:43:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:43:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:43:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:43:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:43:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioport_map [2022-10-16 12:43:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioport_map [2022-10-16 12:43:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-16 12:43:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-16 12:43:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ata_host_detach [2022-10-16 12:43:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_host_detach [2022-10-16 12:43:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-16 12:43:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-16 12:43:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:43:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-16 12:43:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-16 12:43:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:43:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:43:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure winbond_writecfg [2022-10-16 12:43:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure winbond_writecfg [2022-10-16 12:43:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:43:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:43:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-16 12:43:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-10-16 12:43:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure opti82c46x_set_piomode [2022-10-16 12:43:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure opti82c46x_set_piomode [2022-10-16 12:43:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-16 12:43:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-16 12:43:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:43:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-10-16 12:43:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-10-16 12:43:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-16 12:43:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-16 12:43:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:43:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:43:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:43:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-10-16 12:43:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-10-16 12:43:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure qdi65x0_set_piomode [2022-10-16 12:43:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure qdi65x0_set_piomode [2022-10-16 12:43:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:43:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:43:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:43:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:43:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-16 12:43:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-10-16 12:43:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_probe_add [2022-10-16 12:43:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_probe_add [2022-10-16 12:43:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-16 12:43:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-16 12:43:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure vlb32_data_xfer [2022-10-16 12:43:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vlb32_data_xfer [2022-10-16 12:43:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:43:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-16 12:43:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-16 12:43:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-16 12:43:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-16 12:43:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-16 12:43:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-16 12:43:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:43:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:43:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-16 12:43:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-10-16 12:43:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ata_timing_merge [2022-10-16 12:43:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_timing_merge [2022-10-16 12:43:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ata_sff_qc_issue [2022-10-16 12:43:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_sff_qc_issue [2022-10-16 12:43:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:43:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:43:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure winbond_readcfg [2022-10-16 12:43:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure winbond_readcfg [2022-10-16 12:43:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ata_dev_next [2022-10-16 12:43:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_dev_next [2022-10-16 12:43:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:43:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:43:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-16 12:43:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-16 12:43:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-10-16 12:43:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-10-16 12:43:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 12:43:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 12:43:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure ata_dev_pair [2022-10-16 12:43:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_dev_pair [2022-10-16 12:43:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:43:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-16 12:43:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-16 12:43:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure opti_syscfg [2022-10-16 12:43:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure opti_syscfg [2022-10-16 12:43:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:43:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure ata_id_has_dword_io [2022-10-16 12:43:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_id_has_dword_io [2022-10-16 12:43:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:43:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:43:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure ata_timing_compute [2022-10-16 12:43:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_timing_compute [2022-10-16 12:43:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:43:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:43:21,073 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:43:21,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:43:25,332 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5541: SUMMARY for call arch_local_irq_restore(probe_chip_type_~flags~5#1); srcloc: null [2022-10-16 12:43:25,333 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5541-1: SUMMARY for call trace_hardirqs_off(); srcloc: null [2022-10-16 12:43:25,333 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5542: assume !(0 != probe_chip_type_~tmp___5~2#1); [2022-10-16 12:43:25,333 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5544-1: SUMMARY for call arch_local_irq_restore(probe_chip_type_~flags~5#1); srcloc: null [2022-10-16 12:43:25,333 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5544: SUMMARY for call trace_hardirqs_on(); srcloc: null [2022-10-16 12:43:25,334 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume 0 != probe_chip_type_~tmp___5~2#1; [2022-10-16 12:43:25,433 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:43:25,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:43:25,452 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:43:25,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:25 BoogieIcfgContainer [2022-10-16 12:43:25,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:43:25,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:43:25,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:43:25,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:43:25,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:43:17" (1/3) ... [2022-10-16 12:43:25,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d34c135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:25, skipping insertion in model container [2022-10-16 12:43:25,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:19" (2/3) ... [2022-10-16 12:43:25,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d34c135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:25, skipping insertion in model container [2022-10-16 12:43:25,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:25" (3/3) ... [2022-10-16 12:43:25,468 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--ata--pata_legacy.ko-main.cil.out.i [2022-10-16 12:43:25,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:43:25,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-10-16 12:43:25,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:43:25,597 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;@59cb2658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:43:25,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-10-16 12:43:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 1154 states, 785 states have (on average 1.486624203821656) internal successors, (1167), 880 states have internal predecessors, (1167), 249 states have call successors, (249), 43 states have call predecessors, (249), 43 states have return successors, (249), 242 states have call predecessors, (249), 249 states have call successors, (249) [2022-10-16 12:43:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 12:43:25,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:25,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:25,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:25,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1967026194, now seen corresponding path program 1 times [2022-10-16 12:43:25,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:25,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925932202] [2022-10-16 12:43:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:26,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:26,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925932202] [2022-10-16 12:43:26,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925932202] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:26,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:26,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 12:43:26,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229640011] [2022-10-16 12:43:26,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:26,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:43:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:26,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:43:26,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:43:26,606 INFO L87 Difference]: Start difference. First operand has 1154 states, 785 states have (on average 1.486624203821656) internal successors, (1167), 880 states have internal predecessors, (1167), 249 states have call successors, (249), 43 states have call predecessors, (249), 43 states have return successors, (249), 242 states have call predecessors, (249), 249 states have call successors, (249) Second operand has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:26,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:26,831 INFO L93 Difference]: Finished difference Result 2277 states and 3354 transitions. [2022-10-16 12:43:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:43:26,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-10-16 12:43:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:26,858 INFO L225 Difference]: With dead ends: 2277 [2022-10-16 12:43:26,858 INFO L226 Difference]: Without dead ends: 1110 [2022-10-16 12:43:26,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:43:26,875 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:26,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:43:26,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-10-16 12:43:27,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-10-16 12:43:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 772 states have (on average 1.3989637305699483) internal successors, (1080), 837 states have internal predecessors, (1080), 246 states have call successors, (246), 42 states have call predecessors, (246), 42 states have return successors, (246), 239 states have call predecessors, (246), 246 states have call successors, (246) [2022-10-16 12:43:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1572 transitions. [2022-10-16 12:43:27,054 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1572 transitions. Word has length 14 [2022-10-16 12:43:27,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:27,055 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1572 transitions. [2022-10-16 12:43:27,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 14.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:43:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1572 transitions. [2022-10-16 12:43:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 12:43:27,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:27,065 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] [2022-10-16 12:43:27,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:43:27,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:27,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1459987898, now seen corresponding path program 1 times [2022-10-16 12:43:27,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:27,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140368562] [2022-10-16 12:43:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:27,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:43:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:27,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:27,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140368562] [2022-10-16 12:43:27,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140368562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:27,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:27,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:27,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087254754] [2022-10-16 12:43:27,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:27,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:27,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:27,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:27,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:27,498 INFO L87 Difference]: Start difference. First operand 1110 states and 1572 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:27,925 INFO L93 Difference]: Finished difference Result 3310 states and 4686 transitions. [2022-10-16 12:43:27,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:27,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-16 12:43:27,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:27,962 INFO L225 Difference]: With dead ends: 3310 [2022-10-16 12:43:27,963 INFO L226 Difference]: Without dead ends: 2203 [2022-10-16 12:43:27,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:27,984 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 1540 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 3371 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:27,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 3371 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:27,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2022-10-16 12:43:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 2153. [2022-10-16 12:43:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1530 states have (on average 1.3973856209150326) internal successors, (2138), 1611 states have internal predecessors, (2138), 489 states have call successors, (489), 84 states have call predecessors, (489), 84 states have return successors, (489), 475 states have call predecessors, (489), 489 states have call successors, (489) [2022-10-16 12:43:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 3116 transitions. [2022-10-16 12:43:28,212 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 3116 transitions. Word has length 23 [2022-10-16 12:43:28,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:28,213 INFO L495 AbstractCegarLoop]: Abstraction has 2153 states and 3116 transitions. [2022-10-16 12:43:28,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 3116 transitions. [2022-10-16 12:43:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 12:43:28,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:28,216 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] [2022-10-16 12:43:28,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:43:28,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:28,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:28,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1647423495, now seen corresponding path program 1 times [2022-10-16 12:43:28,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:28,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197915018] [2022-10-16 12:43:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:28,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:43:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:28,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:28,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197915018] [2022-10-16 12:43:28,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197915018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:28,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:28,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:28,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176534464] [2022-10-16 12:43:28,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:28,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:28,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:28,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:28,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:28,630 INFO L87 Difference]: Start difference. First operand 2153 states and 3116 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:28,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:28,977 INFO L93 Difference]: Finished difference Result 6416 states and 9282 transitions. [2022-10-16 12:43:28,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:28,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-16 12:43:28,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:29,014 INFO L225 Difference]: With dead ends: 6416 [2022-10-16 12:43:29,016 INFO L226 Difference]: Without dead ends: 4266 [2022-10-16 12:43:29,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:29,042 INFO L413 NwaCegarLoop]: 1888 mSDtfsCounter, 1539 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:29,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 3445 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:29,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2022-10-16 12:43:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4216. [2022-10-16 12:43:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4216 states, 3029 states have (on average 1.395510069329812) internal successors, (4227), 3142 states have internal predecessors, (4227), 970 states have call successors, (970), 167 states have call predecessors, (970), 167 states have return successors, (970), 942 states have call predecessors, (970), 970 states have call successors, (970) [2022-10-16 12:43:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 6167 transitions. [2022-10-16 12:43:29,374 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 6167 transitions. Word has length 24 [2022-10-16 12:43:29,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:29,374 INFO L495 AbstractCegarLoop]: Abstraction has 4216 states and 6167 transitions. [2022-10-16 12:43:29,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 6167 transitions. [2022-10-16 12:43:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:43:29,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:29,377 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] [2022-10-16 12:43:29,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:43:29,378 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:29,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:29,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1677996094, now seen corresponding path program 1 times [2022-10-16 12:43:29,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:29,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264849525] [2022-10-16 12:43:29,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:29,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:29,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:43:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:29,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:29,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264849525] [2022-10-16 12:43:29,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264849525] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:29,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:29,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:29,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142545154] [2022-10-16 12:43:29,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:29,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:29,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:29,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:29,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:29,801 INFO L87 Difference]: Start difference. First operand 4216 states and 6167 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:30,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:30,366 INFO L93 Difference]: Finished difference Result 12567 states and 18367 transitions. [2022-10-16 12:43:30,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:30,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-16 12:43:30,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:30,440 INFO L225 Difference]: With dead ends: 12567 [2022-10-16 12:43:30,440 INFO L226 Difference]: Without dead ends: 8354 [2022-10-16 12:43:30,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:30,470 INFO L413 NwaCegarLoop]: 1967 mSDtfsCounter, 1544 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:30,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 3527 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8354 states. [2022-10-16 12:43:30,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8354 to 8304. [2022-10-16 12:43:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8304 states, 5993 states have (on average 1.3921241448356416) internal successors, (8343), 6170 states have internal predecessors, (8343), 1928 states have call successors, (1928), 333 states have call predecessors, (1928), 333 states have return successors, (1928), 1872 states have call predecessors, (1928), 1928 states have call successors, (1928) [2022-10-16 12:43:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8304 states to 8304 states and 12199 transitions. [2022-10-16 12:43:31,088 INFO L78 Accepts]: Start accepts. Automaton has 8304 states and 12199 transitions. Word has length 25 [2022-10-16 12:43:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:31,089 INFO L495 AbstractCegarLoop]: Abstraction has 8304 states and 12199 transitions. [2022-10-16 12:43:31,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 8304 states and 12199 transitions. [2022-10-16 12:43:31,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 12:43:31,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:31,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:31,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:43:31,092 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:31,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1824149680, now seen corresponding path program 1 times [2022-10-16 12:43:31,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:31,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795654101] [2022-10-16 12:43:31,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:43:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:31,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:31,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795654101] [2022-10-16 12:43:31,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795654101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:31,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:31,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:31,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947611368] [2022-10-16 12:43:31,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:31,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:31,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:31,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:31,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:31,585 INFO L87 Difference]: Start difference. First operand 8304 states and 12199 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-10-16 12:43:32,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:32,404 INFO L93 Difference]: Finished difference Result 22256 states and 32471 transitions. [2022-10-16 12:43:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:43:32,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 29 [2022-10-16 12:43:32,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:32,522 INFO L225 Difference]: With dead ends: 22256 [2022-10-16 12:43:32,523 INFO L226 Difference]: Without dead ends: 13955 [2022-10-16 12:43:32,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:32,564 INFO L413 NwaCegarLoop]: 1892 mSDtfsCounter, 1541 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:32,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 2953 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:43:32,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13955 states. [2022-10-16 12:43:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13955 to 13825. [2022-10-16 12:43:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13825 states, 10081 states have (on average 1.3862712032536455) internal successors, (13975), 10330 states have internal predecessors, (13975), 3082 states have call successors, (3082), 612 states have call predecessors, (3082), 612 states have return successors, (3082), 3002 states have call predecessors, (3082), 3082 states have call successors, (3082) [2022-10-16 12:43:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13825 states to 13825 states and 20139 transitions. [2022-10-16 12:43:33,627 INFO L78 Accepts]: Start accepts. Automaton has 13825 states and 20139 transitions. Word has length 29 [2022-10-16 12:43:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:33,628 INFO L495 AbstractCegarLoop]: Abstraction has 13825 states and 20139 transitions. [2022-10-16 12:43:33,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-10-16 12:43:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13825 states and 20139 transitions. [2022-10-16 12:43:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:43:33,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:33,632 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] [2022-10-16 12:43:33,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:43:33,632 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:33,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash -479577961, now seen corresponding path program 1 times [2022-10-16 12:43:33,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:33,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4191542] [2022-10-16 12:43:33,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:34,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:34,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4191542] [2022-10-16 12:43:34,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4191542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:34,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:34,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:34,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997654090] [2022-10-16 12:43:34,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:34,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:34,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:34,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:34,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:34,142 INFO L87 Difference]: Start difference. First operand 13825 states and 20139 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:36,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:36,470 INFO L93 Difference]: Finished difference Result 27903 states and 40723 transitions. [2022-10-16 12:43:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:36,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-10-16 12:43:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:36,552 INFO L225 Difference]: With dead ends: 27903 [2022-10-16 12:43:36,553 INFO L226 Difference]: Without dead ends: 14081 [2022-10-16 12:43:36,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:36,612 INFO L413 NwaCegarLoop]: 1543 mSDtfsCounter, 144 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 3667 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:36,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 3667 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:43:36,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14081 states. [2022-10-16 12:43:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14081 to 13881. [2022-10-16 12:43:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13881 states, 10137 states have (on average 1.3857156949787905) internal successors, (14047), 10386 states have internal predecessors, (14047), 3082 states have call successors, (3082), 612 states have call predecessors, (3082), 612 states have return successors, (3082), 3002 states have call predecessors, (3082), 3082 states have call successors, (3082) [2022-10-16 12:43:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13881 states to 13881 states and 20211 transitions. [2022-10-16 12:43:37,699 INFO L78 Accepts]: Start accepts. Automaton has 13881 states and 20211 transitions. Word has length 33 [2022-10-16 12:43:37,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:37,700 INFO L495 AbstractCegarLoop]: Abstraction has 13881 states and 20211 transitions. [2022-10-16 12:43:37,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 13881 states and 20211 transitions. [2022-10-16 12:43:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:43:37,705 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:37,706 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] [2022-10-16 12:43:37,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:43:37,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting legacy_probe_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:37,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash -596236721, now seen corresponding path program 1 times [2022-10-16 12:43:37,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:37,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115254087] [2022-10-16 12:43:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:38,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:38,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115254087] [2022-10-16 12:43:38,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115254087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:38,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:38,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:43:38,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323995662] [2022-10-16 12:43:38,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:38,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:38,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:38,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:38,131 INFO L87 Difference]: Start difference. First operand 13881 states and 20211 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:40,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:40,285 INFO L93 Difference]: Finished difference Result 27967 states and 40907 transitions. [2022-10-16 12:43:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:40,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-10-16 12:43:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:40,363 INFO L225 Difference]: With dead ends: 27967 [2022-10-16 12:43:40,363 INFO L226 Difference]: Without dead ends: 14089 [2022-10-16 12:43:40,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:43:40,403 INFO L413 NwaCegarLoop]: 1546 mSDtfsCounter, 141 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 3683 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:40,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 3683 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:43:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14089 states. [2022-10-16 12:43:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14089 to 13889. [2022-10-16 12:43:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13889 states, 10145 states have (on average 1.3854115327747658) internal successors, (14055), 10394 states have internal predecessors, (14055), 3082 states have call successors, (3082), 612 states have call predecessors, (3082), 612 states have return successors, (3082), 3002 states have call predecessors, (3082), 3082 states have call successors, (3082) [2022-10-16 12:43:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13889 states to 13889 states and 20219 transitions. [2022-10-16 12:43:41,430 INFO L78 Accepts]: Start accepts. Automaton has 13889 states and 20219 transitions. Word has length 38 [2022-10-16 12:43:41,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:41,430 INFO L495 AbstractCegarLoop]: Abstraction has 13889 states and 20219 transitions. [2022-10-16 12:43:41,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 13889 states and 20219 transitions. [2022-10-16 12:43:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:43:41,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:41,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:41,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:43:41,433 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting legacy_probe_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:41,434 INFO L85 PathProgramCache]: Analyzing trace with hash -596234799, now seen corresponding path program 1 times [2022-10-16 12:43:41,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:41,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49765143] [2022-10-16 12:43:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:41,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:41,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:41,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49765143] [2022-10-16 12:43:41,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49765143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:41,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:41,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674535350] [2022-10-16 12:43:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:41,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:41,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:41,875 INFO L87 Difference]: Start difference. First operand 13889 states and 20219 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:43,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:43,970 INFO L93 Difference]: Finished difference Result 28071 states and 41171 transitions. [2022-10-16 12:43:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:43,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-10-16 12:43:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:44,052 INFO L225 Difference]: With dead ends: 28071 [2022-10-16 12:43:44,052 INFO L226 Difference]: Without dead ends: 14185 [2022-10-16 12:43:44,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:43:44,105 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 161 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:44,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 3692 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:43:44,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14185 states. [2022-10-16 12:43:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14185 to 13953. [2022-10-16 12:43:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13953 states, 10209 states have (on average 1.3853462631011852) internal successors, (14143), 10458 states have internal predecessors, (14143), 3082 states have call successors, (3082), 612 states have call predecessors, (3082), 612 states have return successors, (3082), 3002 states have call predecessors, (3082), 3082 states have call successors, (3082) [2022-10-16 12:43:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13953 states to 13953 states and 20307 transitions. [2022-10-16 12:43:45,022 INFO L78 Accepts]: Start accepts. Automaton has 13953 states and 20307 transitions. Word has length 38 [2022-10-16 12:43:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:45,023 INFO L495 AbstractCegarLoop]: Abstraction has 13953 states and 20307 transitions. [2022-10-16 12:43:45,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 13953 states and 20307 transitions. [2022-10-16 12:43:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:43:45,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:45,027 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] [2022-10-16 12:43:45,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:43:45,029 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:45,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1467744737, now seen corresponding path program 1 times [2022-10-16 12:43:45,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:45,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105482401] [2022-10-16 12:43:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:45,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:45,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105482401] [2022-10-16 12:43:45,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105482401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:45,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:45,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:43:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737037560] [2022-10-16 12:43:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:45,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:45,395 INFO L87 Difference]: Start difference. First operand 13953 states and 20307 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:48,388 INFO L93 Difference]: Finished difference Result 36755 states and 54871 transitions. [2022-10-16 12:43:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:48,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-10-16 12:43:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:48,493 INFO L225 Difference]: With dead ends: 36755 [2022-10-16 12:43:48,493 INFO L226 Difference]: Without dead ends: 22805 [2022-10-16 12:43:48,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:48,532 INFO L413 NwaCegarLoop]: 2629 mSDtfsCounter, 893 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 5646 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:48,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 5646 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 12:43:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22805 states. [2022-10-16 12:43:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22805 to 14073. [2022-10-16 12:43:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14073 states, 10305 states have (on average 1.3848617176128093) internal successors, (14271), 10554 states have internal predecessors, (14271), 3106 states have call successors, (3106), 612 states have call predecessors, (3106), 612 states have return successors, (3106), 3026 states have call predecessors, (3106), 3106 states have call successors, (3106) [2022-10-16 12:43:49,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14073 states to 14073 states and 20483 transitions. [2022-10-16 12:43:49,726 INFO L78 Accepts]: Start accepts. Automaton has 14073 states and 20483 transitions. Word has length 39 [2022-10-16 12:43:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:49,727 INFO L495 AbstractCegarLoop]: Abstraction has 14073 states and 20483 transitions. [2022-10-16 12:43:49,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 14073 states and 20483 transitions. [2022-10-16 12:43:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 12:43:49,731 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:49,731 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:49,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 12:43:49,732 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:49,733 INFO L85 PathProgramCache]: Analyzing trace with hash 821787087, now seen corresponding path program 1 times [2022-10-16 12:43:49,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:49,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387750007] [2022-10-16 12:43:49,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:49,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 12:43:50,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:50,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387750007] [2022-10-16 12:43:50,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387750007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:50,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:50,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:50,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092338179] [2022-10-16 12:43:50,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:50,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:50,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:50,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:50,226 INFO L87 Difference]: Start difference. First operand 14073 states and 20483 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:52,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:52,315 INFO L93 Difference]: Finished difference Result 14273 states and 20843 transitions. [2022-10-16 12:43:52,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:52,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-10-16 12:43:52,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:52,373 INFO L225 Difference]: With dead ends: 14273 [2022-10-16 12:43:52,374 INFO L226 Difference]: Without dead ends: 14272 [2022-10-16 12:43:52,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:43:52,380 INFO L413 NwaCegarLoop]: 1543 mSDtfsCounter, 145 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:52,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 3665 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:43:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14272 states. [2022-10-16 12:43:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14272 to 14072. [2022-10-16 12:43:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14072 states, 10305 states have (on average 1.3840853954391072) internal successors, (14263), 10553 states have internal predecessors, (14263), 3106 states have call successors, (3106), 612 states have call predecessors, (3106), 612 states have return successors, (3106), 3026 states have call predecessors, (3106), 3106 states have call successors, (3106) [2022-10-16 12:43:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14072 states to 14072 states and 20475 transitions. [2022-10-16 12:43:53,124 INFO L78 Accepts]: Start accepts. Automaton has 14072 states and 20475 transitions. Word has length 40 [2022-10-16 12:43:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:53,124 INFO L495 AbstractCegarLoop]: Abstraction has 14072 states and 20475 transitions. [2022-10-16 12:43:53,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 14072 states and 20475 transitions. [2022-10-16 12:43:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:43:53,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:53,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:53,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:43:53,127 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:53,129 INFO L85 PathProgramCache]: Analyzing trace with hash -294402621, now seen corresponding path program 1 times [2022-10-16 12:43:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:53,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537157593] [2022-10-16 12:43:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:43:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:53,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:53,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537157593] [2022-10-16 12:43:53,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537157593] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:43:53,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63128734] [2022-10-16 12:43:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:53,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:43:53,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:43:53,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:43:53,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:43:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:54,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 4102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:43:54,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:43:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:43:54,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:43:54,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63128734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:54,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:43:54,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:43:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202172600] [2022-10-16 12:43:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:54,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:43:54,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:43:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:43:54,909 INFO L87 Difference]: Start difference. First operand 14072 states and 20475 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:43:55,872 INFO L93 Difference]: Finished difference Result 22386 states and 33711 transitions. [2022-10-16 12:43:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:43:55,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-10-16 12:43:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:43:55,979 INFO L225 Difference]: With dead ends: 22386 [2022-10-16 12:43:55,979 INFO L226 Difference]: Without dead ends: 22385 [2022-10-16 12:43:55,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:43:55,995 INFO L413 NwaCegarLoop]: 2280 mSDtfsCounter, 755 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 5542 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:43:55,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 5542 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:43:56,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22385 states. [2022-10-16 12:43:57,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22385 to 14023. [2022-10-16 12:43:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14023 states, 10257 states have (on average 1.3835429462805888) internal successors, (14191), 10504 states have internal predecessors, (14191), 3106 states have call successors, (3106), 612 states have call predecessors, (3106), 612 states have return successors, (3106), 3026 states have call predecessors, (3106), 3106 states have call successors, (3106) [2022-10-16 12:43:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14023 states to 14023 states and 20403 transitions. [2022-10-16 12:43:57,185 INFO L78 Accepts]: Start accepts. Automaton has 14023 states and 20403 transitions. Word has length 41 [2022-10-16 12:43:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:43:57,186 INFO L495 AbstractCegarLoop]: Abstraction has 14023 states and 20403 transitions. [2022-10-16 12:43:57,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:43:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 14023 states and 20403 transitions. [2022-10-16 12:43:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 12:43:57,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:43:57,193 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:43:57,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:43:57,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 12:43:57,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:43:57,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:43:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash -921865586, now seen corresponding path program 1 times [2022-10-16 12:43:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:43:57,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956123659] [2022-10-16 12:43:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:43:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:57,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:43:57,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956123659] [2022-10-16 12:43:57,703 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-16 12:43:57,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998108809] [2022-10-16 12:43:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:43:57,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:43:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:43:57,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:43:57,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:43:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:43:58,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:43:58,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:43:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 12:43:58,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:43:58,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998108809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:43:58,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:43:58,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:43:58,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271883872] [2022-10-16 12:43:58,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:43:58,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:43:58,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:43:58,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:43:58,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:43:58,835 INFO L87 Difference]: Start difference. First operand 14023 states and 20403 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:44:00,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:00,095 INFO L93 Difference]: Finished difference Result 40781 states and 59363 transitions. [2022-10-16 12:44:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:00,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2022-10-16 12:44:00,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:00,198 INFO L225 Difference]: With dead ends: 40781 [2022-10-16 12:44:00,198 INFO L226 Difference]: Without dead ends: 26761 [2022-10-16 12:44:00,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:00,246 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 1437 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:00,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3557 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:44:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26761 states. [2022-10-16 12:44:01,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26761 to 26701. [2022-10-16 12:44:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26701 states, 19493 states have (on average 1.3879341302005848) internal successors, (27055), 19924 states have internal predecessors, (27055), 5938 states have call successors, (5938), 1222 states have call predecessors, (5938), 1222 states have return successors, (5938), 5778 states have call predecessors, (5938), 5938 states have call successors, (5938) [2022-10-16 12:44:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26701 states to 26701 states and 38931 transitions. [2022-10-16 12:44:01,836 INFO L78 Accepts]: Start accepts. Automaton has 26701 states and 38931 transitions. Word has length 50 [2022-10-16 12:44:01,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:01,836 INFO L495 AbstractCegarLoop]: Abstraction has 26701 states and 38931 transitions. [2022-10-16 12:44:01,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 12:44:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 26701 states and 38931 transitions. [2022-10-16 12:44:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 12:44:01,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:01,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:01,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:44:02,052 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,SelfDestructingSolverStorable11 [2022-10-16 12:44:02,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting legacy_probe_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:02,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:02,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1472264191, now seen corresponding path program 1 times [2022-10-16 12:44:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:02,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038618623] [2022-10-16 12:44:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 12:44:02,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:02,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038618623] [2022-10-16 12:44:02,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038618623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:02,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:02,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:44:02,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880129588] [2022-10-16 12:44:02,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:02,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:02,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:02,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:44:02,444 INFO L87 Difference]: Start difference. First operand 26701 states and 38931 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:05,069 INFO L93 Difference]: Finished difference Result 27149 states and 39955 transitions. [2022-10-16 12:44:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:44:05,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-10-16 12:44:05,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:05,165 INFO L225 Difference]: With dead ends: 27149 [2022-10-16 12:44:05,165 INFO L226 Difference]: Without dead ends: 27148 [2022-10-16 12:44:05,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:44:05,180 INFO L413 NwaCegarLoop]: 1540 mSDtfsCounter, 151 mSDsluCounter, 2135 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 3675 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:05,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 3675 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:44:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27148 states. [2022-10-16 12:44:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27148 to 26700. [2022-10-16 12:44:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26700 states, 19493 states have (on average 1.3871133227312369) internal successors, (27039), 19923 states have internal predecessors, (27039), 5938 states have call successors, (5938), 1222 states have call predecessors, (5938), 1222 states have return successors, (5938), 5778 states have call predecessors, (5938), 5938 states have call successors, (5938) [2022-10-16 12:44:06,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26700 states to 26700 states and 38915 transitions. [2022-10-16 12:44:06,876 INFO L78 Accepts]: Start accepts. Automaton has 26700 states and 38915 transitions. Word has length 46 [2022-10-16 12:44:06,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:06,877 INFO L495 AbstractCegarLoop]: Abstraction has 26700 states and 38915 transitions. [2022-10-16 12:44:06,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 26700 states and 38915 transitions. [2022-10-16 12:44:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 12:44:06,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:06,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:06,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 12:44:06,879 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting legacy_probe_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:06,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1604450171, now seen corresponding path program 1 times [2022-10-16 12:44:06,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:06,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277554056] [2022-10-16 12:44:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:06,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:07,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277554056] [2022-10-16 12:44:07,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277554056] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033448554] [2022-10-16 12:44:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:07,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:07,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:07,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 12:44:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:08,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 4117 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:08,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:08,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:08,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033448554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:08,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:08,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 12:44:08,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963130015] [2022-10-16 12:44:08,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:08,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:44:08,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:08,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:44:08,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:08,558 INFO L87 Difference]: Start difference. First operand 26700 states and 38915 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:09,461 INFO L93 Difference]: Finished difference Result 26764 states and 39251 transitions. [2022-10-16 12:44:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:44:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-10-16 12:44:09,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:09,550 INFO L225 Difference]: With dead ends: 26764 [2022-10-16 12:44:09,550 INFO L226 Difference]: Without dead ends: 26763 [2022-10-16 12:44:09,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:09,563 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 14 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3165 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 [2022-10-16 12:44:09,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3165 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26763 states. [2022-10-16 12:44:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26763 to 26587. [2022-10-16 12:44:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26587 states, 19381 states have (on average 1.386048191527785) internal successors, (26863), 19810 states have internal predecessors, (26863), 5938 states have call successors, (5938), 1222 states have call predecessors, (5938), 1222 states have return successors, (5938), 5778 states have call predecessors, (5938), 5938 states have call successors, (5938) [2022-10-16 12:44:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26587 states to 26587 states and 38739 transitions. [2022-10-16 12:44:11,104 INFO L78 Accepts]: Start accepts. Automaton has 26587 states and 38739 transitions. Word has length 47 [2022-10-16 12:44:11,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:11,105 INFO L495 AbstractCegarLoop]: Abstraction has 26587 states and 38739 transitions. [2022-10-16 12:44:11,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26587 states and 38739 transitions. [2022-10-16 12:44:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 12:44:11,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:11,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:11,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 12:44:11,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:11,320 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:11,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:11,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1179636405, now seen corresponding path program 1 times [2022-10-16 12:44:11,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:11,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109485548] [2022-10-16 12:44:11,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:11,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:44:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:44:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:44:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:44:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:44:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 12:44:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:11,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109485548] [2022-10-16 12:44:11,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109485548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:11,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:11,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:44:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151175860] [2022-10-16 12:44:11,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:11,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:11,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:11,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:11,959 INFO L87 Difference]: Start difference. First operand 26587 states and 38739 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:44:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:14,019 INFO L93 Difference]: Finished difference Result 77387 states and 112563 transitions. [2022-10-16 12:44:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:14,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-10-16 12:44:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:14,205 INFO L225 Difference]: With dead ends: 77387 [2022-10-16 12:44:14,205 INFO L226 Difference]: Without dead ends: 50803 [2022-10-16 12:44:14,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:14,281 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 1463 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:14,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 3700 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:44:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50803 states. [2022-10-16 12:44:16,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50803 to 50751. [2022-10-16 12:44:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50751 states, 36857 states have (on average 1.3782727840030389) internal successors, (50799), 37670 states have internal predecessors, (50799), 11490 states have call successors, (11490), 2358 states have call predecessors, (11490), 2358 states have return successors, (11490), 11170 states have call predecessors, (11490), 11490 states have call successors, (11490) [2022-10-16 12:44:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50751 states to 50751 states and 73779 transitions. [2022-10-16 12:44:17,142 INFO L78 Accepts]: Start accepts. Automaton has 50751 states and 73779 transitions. Word has length 58 [2022-10-16 12:44:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:17,143 INFO L495 AbstractCegarLoop]: Abstraction has 50751 states and 73779 transitions. [2022-10-16 12:44:17,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 12:44:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 50751 states and 73779 transitions. [2022-10-16 12:44:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 12:44:17,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:17,146 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:17,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 12:44:17,146 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:17,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1832051439, now seen corresponding path program 1 times [2022-10-16 12:44:17,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:17,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666434153] [2022-10-16 12:44:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:17,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:44:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:44:17,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:17,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666434153] [2022-10-16 12:44:17,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666434153] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:17,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49913945] [2022-10-16 12:44:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:17,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:17,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:17,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 12:44:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:18,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 4212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:44:18,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 12:44:18,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:18,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49913945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:18,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:18,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 12:44:18,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885745029] [2022-10-16 12:44:18,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:18,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:18,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:18,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:18,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:18,766 INFO L87 Difference]: Start difference. First operand 50751 states and 73779 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:44:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:21,064 INFO L93 Difference]: Finished difference Result 101531 states and 147619 transitions. [2022-10-16 12:44:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:21,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2022-10-16 12:44:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:21,387 INFO L225 Difference]: With dead ends: 101531 [2022-10-16 12:44:21,388 INFO L226 Difference]: Without dead ends: 50783 [2022-10-16 12:44:21,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:21,476 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 0 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:21,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3130 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50783 states. [2022-10-16 12:44:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50783 to 50783. [2022-10-16 12:44:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50783 states, 36889 states have (on average 1.3779446447450459) internal successors, (50831), 37702 states have internal predecessors, (50831), 11490 states have call successors, (11490), 2358 states have call predecessors, (11490), 2358 states have return successors, (11490), 11170 states have call predecessors, (11490), 11490 states have call successors, (11490) [2022-10-16 12:44:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50783 states to 50783 states and 73811 transitions. [2022-10-16 12:44:24,035 INFO L78 Accepts]: Start accepts. Automaton has 50783 states and 73811 transitions. Word has length 61 [2022-10-16 12:44:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:24,035 INFO L495 AbstractCegarLoop]: Abstraction has 50783 states and 73811 transitions. [2022-10-16 12:44:24,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:44:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 50783 states and 73811 transitions. [2022-10-16 12:44:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 12:44:24,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:24,037 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:24,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 12:44:24,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 12:44:24,239 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:24,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1972600049, now seen corresponding path program 1 times [2022-10-16 12:44:24,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:24,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176529268] [2022-10-16 12:44:24,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:44:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:44:24,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:24,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176529268] [2022-10-16 12:44:24,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176529268] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:24,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863450131] [2022-10-16 12:44:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:24,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:24,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:24,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 12:44:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:25,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 4215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:44:25,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:44:25,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:25,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863450131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:25,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:25,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-16 12:44:25,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698952139] [2022-10-16 12:44:25,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:25,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:25,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:25,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:25,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:25,819 INFO L87 Difference]: Start difference. First operand 50783 states and 73811 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:27,969 INFO L93 Difference]: Finished difference Result 101594 states and 147683 transitions. [2022-10-16 12:44:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:27,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-10-16 12:44:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:28,213 INFO L225 Difference]: With dead ends: 101594 [2022-10-16 12:44:28,214 INFO L226 Difference]: Without dead ends: 50814 [2022-10-16 12:44:28,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:28,478 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 150 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:28,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 2926 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50814 states. [2022-10-16 12:44:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50814 to 50814. [2022-10-16 12:44:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50814 states, 36921 states have (on average 1.3767503588743533) internal successors, (50831), 37733 states have internal predecessors, (50831), 11490 states have call successors, (11490), 2358 states have call predecessors, (11490), 2358 states have return successors, (11490), 11170 states have call predecessors, (11490), 11490 states have call successors, (11490) [2022-10-16 12:44:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50814 states to 50814 states and 73811 transitions. [2022-10-16 12:44:31,235 INFO L78 Accepts]: Start accepts. Automaton has 50814 states and 73811 transitions. Word has length 61 [2022-10-16 12:44:31,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:31,236 INFO L495 AbstractCegarLoop]: Abstraction has 50814 states and 73811 transitions. [2022-10-16 12:44:31,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 50814 states and 73811 transitions. [2022-10-16 12:44:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 12:44:31,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:31,238 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:31,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 12:44:31,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 12:44:31,446 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1021057270, now seen corresponding path program 1 times [2022-10-16 12:44:31,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:31,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994898751] [2022-10-16 12:44:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:31,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:44:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:44:32,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:32,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994898751] [2022-10-16 12:44:32,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994898751] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:32,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771465998] [2022-10-16 12:44:32,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:32,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:32,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:32,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 12:44:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:33,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:44:33,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 12:44:33,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:33,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771465998] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:33,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:44:33,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-16 12:44:33,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003333270] [2022-10-16 12:44:33,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:33,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:33,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:33,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:33,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:33,190 INFO L87 Difference]: Start difference. First operand 50814 states and 73811 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:34,899 INFO L93 Difference]: Finished difference Result 51060 states and 74189 transitions. [2022-10-16 12:44:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:34,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-10-16 12:44:34,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:35,205 INFO L225 Difference]: With dead ends: 51060 [2022-10-16 12:44:35,205 INFO L226 Difference]: Without dead ends: 51059 [2022-10-16 12:44:35,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:44:35,231 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 630 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:35,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 3103 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:44:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51059 states. [2022-10-16 12:44:37,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51059 to 50813. [2022-10-16 12:44:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50813 states, 36921 states have (on average 1.3758836434549444) internal successors, (50799), 37732 states have internal predecessors, (50799), 11490 states have call successors, (11490), 2358 states have call predecessors, (11490), 2358 states have return successors, (11490), 11170 states have call predecessors, (11490), 11490 states have call successors, (11490) [2022-10-16 12:44:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50813 states to 50813 states and 73779 transitions. [2022-10-16 12:44:37,938 INFO L78 Accepts]: Start accepts. Automaton has 50813 states and 73779 transitions. Word has length 62 [2022-10-16 12:44:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:37,939 INFO L495 AbstractCegarLoop]: Abstraction has 50813 states and 73779 transitions. [2022-10-16 12:44:37,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 12:44:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 50813 states and 73779 transitions. [2022-10-16 12:44:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 12:44:37,942 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:37,942 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:37,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 12:44:38,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 12:44:38,156 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:38,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1021066356, now seen corresponding path program 1 times [2022-10-16 12:44:38,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:38,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971725585] [2022-10-16 12:44:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:44:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 12:44:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:44:38,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:38,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971725585] [2022-10-16 12:44:38,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971725585] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:44:38,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991322035] [2022-10-16 12:44:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:38,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:38,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:38,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 12:44:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:39,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 4228 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:44:39,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:44:39,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:44:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:44:39,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991322035] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:44:39,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:44:39,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-16 12:44:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192381525] [2022-10-16 12:44:39,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:44:39,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:44:39,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:39,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:44:39,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:44:39,892 INFO L87 Difference]: Start difference. First operand 50813 states and 73779 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:44:43,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:43,912 INFO L93 Difference]: Finished difference Result 103095 states and 149923 transitions. [2022-10-16 12:44:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:44:43,913 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 62 [2022-10-16 12:44:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:44,176 INFO L225 Difference]: With dead ends: 103095 [2022-10-16 12:44:44,176 INFO L226 Difference]: Without dead ends: 52285 [2022-10-16 12:44:44,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:44:44,327 INFO L413 NwaCegarLoop]: 1536 mSDtfsCounter, 189 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:44,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 4853 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:44:44,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52285 states. [2022-10-16 12:44:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52285 to 51485. [2022-10-16 12:44:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51485 states, 37593 states have (on average 1.374271805921315) internal successors, (51663), 38404 states have internal predecessors, (51663), 11490 states have call successors, (11490), 2358 states have call predecessors, (11490), 2358 states have return successors, (11490), 11170 states have call predecessors, (11490), 11490 states have call successors, (11490) [2022-10-16 12:44:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51485 states to 51485 states and 74643 transitions. [2022-10-16 12:44:47,239 INFO L78 Accepts]: Start accepts. Automaton has 51485 states and 74643 transitions. Word has length 62 [2022-10-16 12:44:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:47,239 INFO L495 AbstractCegarLoop]: Abstraction has 51485 states and 74643 transitions. [2022-10-16 12:44:47,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:44:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 51485 states and 74643 transitions. [2022-10-16 12:44:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 12:44:47,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:47,243 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:47,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 12:44:47,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:47,458 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:47,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:47,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1905040030, now seen corresponding path program 1 times [2022-10-16 12:44:47,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:47,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685237147] [2022-10-16 12:44:47,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:44:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:44:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:44:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:44:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:44:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:44:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 12:44:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 12:44:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:44:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 12:44:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 12:44:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 12:44:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 12:44:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-16 12:44:47,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:47,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685237147] [2022-10-16 12:44:47,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685237147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:47,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:47,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:44:47,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636021848] [2022-10-16 12:44:47,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:47,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:47,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:47,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:47,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:47,881 INFO L87 Difference]: Start difference. First operand 51485 states and 74643 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 12:44:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:44:52,162 INFO L93 Difference]: Finished difference Result 147323 states and 212423 transitions. [2022-10-16 12:44:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:44:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-10-16 12:44:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:44:52,768 INFO L225 Difference]: With dead ends: 147323 [2022-10-16 12:44:52,769 INFO L226 Difference]: Without dead ends: 95841 [2022-10-16 12:44:52,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:52,900 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 1379 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:44:52,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 3793 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 12:44:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95841 states. [2022-10-16 12:44:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95841 to 95793. [2022-10-16 12:44:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95793 states, 70801 states have (on average 1.371774409965961) internal successors, (97123), 72124 states have internal predecessors, (97123), 20290 states have call successors, (20290), 4658 states have call predecessors, (20290), 4658 states have return successors, (20290), 19778 states have call predecessors, (20290), 20290 states have call successors, (20290) [2022-10-16 12:44:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95793 states to 95793 states and 137703 transitions. [2022-10-16 12:44:58,005 INFO L78 Accepts]: Start accepts. Automaton has 95793 states and 137703 transitions. Word has length 83 [2022-10-16 12:44:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:44:58,005 INFO L495 AbstractCegarLoop]: Abstraction has 95793 states and 137703 transitions. [2022-10-16 12:44:58,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 12:44:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 95793 states and 137703 transitions. [2022-10-16 12:44:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 12:44:58,007 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:44:58,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:44:58,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 12:44:58,007 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting opti82c46x_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:44:58,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:44:58,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1002342737, now seen corresponding path program 1 times [2022-10-16 12:44:58,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:44:58,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784591477] [2022-10-16 12:44:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:44:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:58,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:44:58,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784591477] [2022-10-16 12:44:58,174 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-16 12:44:58,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573224158] [2022-10-16 12:44:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:44:58,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:44:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:44:58,176 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:44:58,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 12:44:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:44:59,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 12:44:59,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:44:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 12:44:59,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:44:59,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573224158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:44:59,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:44:59,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:44:59,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218805198] [2022-10-16 12:44:59,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:44:59,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:44:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:44:59,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:44:59,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:44:59,465 INFO L87 Difference]: Start difference. First operand 95793 states and 137703 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 12:45:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:07,783 INFO L93 Difference]: Finished difference Result 272555 states and 392815 transitions. [2022-10-16 12:45:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:45:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 96 [2022-10-16 12:45:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:08,789 INFO L225 Difference]: With dead ends: 272555 [2022-10-16 12:45:08,789 INFO L226 Difference]: Without dead ends: 176765 [2022-10-16 12:45:09,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:45:09,013 INFO L413 NwaCegarLoop]: 2214 mSDtfsCounter, 1421 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 3768 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:09,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 3768 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:45:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176765 states. [2022-10-16 12:45:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176765 to 176709. [2022-10-16 12:45:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176709 states, 130645 states have (on average 1.3799150369321445) internal successors, (180279), 132928 states have internal predecessors, (180279), 37282 states have call successors, (37282), 8738 states have call predecessors, (37282), 8738 states have return successors, (37282), 36322 states have call predecessors, (37282), 37282 states have call successors, (37282) [2022-10-16 12:45:19,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176709 states to 176709 states and 254843 transitions. [2022-10-16 12:45:19,527 INFO L78 Accepts]: Start accepts. Automaton has 176709 states and 254843 transitions. Word has length 96 [2022-10-16 12:45:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:19,528 INFO L495 AbstractCegarLoop]: Abstraction has 176709 states and 254843 transitions. [2022-10-16 12:45:19,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-16 12:45:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 176709 states and 254843 transitions. [2022-10-16 12:45:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 12:45:19,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:19,531 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:45:19,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 12:45:19,745 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,SelfDestructingSolverStorable20 [2022-10-16 12:45:19,746 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:45:19,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash 927850068, now seen corresponding path program 2 times [2022-10-16 12:45:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:19,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575676938] [2022-10-16 12:45:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:45:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 12:45:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:45:20,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:20,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575676938] [2022-10-16 12:45:20,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575676938] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:45:20,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225595784] [2022-10-16 12:45:20,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:45:20,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:20,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:45:20,935 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:45:20,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 12:45:22,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 12:45:22,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:45:22,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 4339 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 12:45:22,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:45:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:45:22,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:45:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 12:45:22,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225595784] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:45:22,224 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:45:22,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 10 [2022-10-16 12:45:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472629545] [2022-10-16 12:45:22,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:45:22,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 12:45:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:22,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 12:45:22,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:45:22,226 INFO L87 Difference]: Start difference. First operand 176709 states and 254843 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:45:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:45:33,732 INFO L93 Difference]: Finished difference Result 358215 states and 517555 transitions. [2022-10-16 12:45:33,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:45:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 83 [2022-10-16 12:45:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:45:35,212 INFO L225 Difference]: With dead ends: 358215 [2022-10-16 12:45:35,212 INFO L226 Difference]: Without dead ends: 181509 [2022-10-16 12:45:36,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 163 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:45:36,169 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 203 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:45:36,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 3666 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 12:45:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181509 states. [2022-10-16 12:45:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181509 to 178501. [2022-10-16 12:45:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178501 states, 132437 states have (on average 1.3786404101572822) internal successors, (182583), 134720 states have internal predecessors, (182583), 37282 states have call successors, (37282), 8738 states have call predecessors, (37282), 8738 states have return successors, (37282), 36322 states have call predecessors, (37282), 37282 states have call successors, (37282) [2022-10-16 12:45:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178501 states to 178501 states and 257147 transitions. [2022-10-16 12:45:48,106 INFO L78 Accepts]: Start accepts. Automaton has 178501 states and 257147 transitions. Word has length 83 [2022-10-16 12:45:48,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:45:48,107 INFO L495 AbstractCegarLoop]: Abstraction has 178501 states and 257147 transitions. [2022-10-16 12:45:48,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 9 states have internal predecessors, (97), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:45:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 178501 states and 257147 transitions. [2022-10-16 12:45:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 12:45:48,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:45:48,109 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1] [2022-10-16 12:45:48,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 12:45:48,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:45:48,319 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:45:48,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:45:48,323 INFO L85 PathProgramCache]: Analyzing trace with hash -809170914, now seen corresponding path program 1 times [2022-10-16 12:45:48,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:45:48,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020040493] [2022-10-16 12:45:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:45:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:45:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:45:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:45:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 12:45:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:45:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:45:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:45:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 12:45:49,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:45:49,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020040493] [2022-10-16 12:45:49,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020040493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:45:49,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:45:49,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:45:49,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753922344] [2022-10-16 12:45:49,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:45:49,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:45:49,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:45:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:45:49,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:45:49,694 INFO L87 Difference]: Start difference. First operand 178501 states and 257147 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:46:04,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:04,737 INFO L93 Difference]: Finished difference Result 385867 states and 562187 transitions. [2022-10-16 12:46:04,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:46:04,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-10-16 12:46:04,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:06,162 INFO L225 Difference]: With dead ends: 385867 [2022-10-16 12:46:06,162 INFO L226 Difference]: Without dead ends: 207369 [2022-10-16 12:46:06,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:46:06,569 INFO L413 NwaCegarLoop]: 1617 mSDtfsCounter, 463 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 5682 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:06,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 5682 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 2044 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 12:46:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207369 states. [2022-10-16 12:46:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207369 to 187973. [2022-10-16 12:46:18,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187973 states, 141525 states have (on average 1.3751280692457164) internal successors, (194615), 143808 states have internal predecessors, (194615), 37538 states have call successors, (37538), 8738 states have call predecessors, (37538), 8866 states have return successors, (39842), 36706 states have call predecessors, (39842), 37538 states have call successors, (39842) [2022-10-16 12:46:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187973 states to 187973 states and 271995 transitions. [2022-10-16 12:46:19,418 INFO L78 Accepts]: Start accepts. Automaton has 187973 states and 271995 transitions. Word has length 88 [2022-10-16 12:46:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:19,418 INFO L495 AbstractCegarLoop]: Abstraction has 187973 states and 271995 transitions. [2022-10-16 12:46:19,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 12:46:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 187973 states and 271995 transitions. [2022-10-16 12:46:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 12:46:19,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:19,421 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:19,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 12:46:19,421 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [qdi65x0_set_piomodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, qdi65x0_set_piomodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 73 more)] === [2022-10-16 12:46:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash 52316894, now seen corresponding path program 1 times [2022-10-16 12:46:19,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:19,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517247384] [2022-10-16 12:46:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat