/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-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:30:53,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:30:53,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:30:54,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:30:54,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:30:54,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:30:54,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:30:54,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:30:54,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:30:54,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:30:54,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:30:54,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:30:54,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:30:54,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:30:54,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:30:54,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:30:54,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:30:54,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:30:54,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:30:54,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:30:54,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:30:54,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:30:54,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:30:54,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:30:54,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:30:54,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:30:54,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:30:54,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:30:54,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:30:54,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:30:54,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:30:54,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:30:54,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:30:54,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:30:54,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:30:54,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:30:54,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:30:54,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:30:54,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:30:54,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:30:54,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:30:54,131 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 12:30:54,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:30:54,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:30:54,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:30:54,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:30:54,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:30:54,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:30:54,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:30:54,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:30:54,193 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:30:54,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:30:54,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:30:54,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:30:54,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:30:54,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:30:54,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:30:54,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:30:54,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:30:54,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:30:54,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:30:54,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:30:54,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:30:54,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:30:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:30:54,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:30:54,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:30:54,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:30:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:30:54,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:30:54,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:30:54,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:30:54,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:30:54,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:30:54,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:30:54,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:30:54,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:30:54,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:30:54,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:30:54,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:30:54,704 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:30:54,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:30:54,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90525643/c7424b7c47674bd7afe317df74904953/FLAG175b9f258 [2022-10-16 12:30:56,077 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:30:56,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:30:56,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90525643/c7424b7c47674bd7afe317df74904953/FLAG175b9f258 [2022-10-16 12:30:56,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90525643/c7424b7c47674bd7afe317df74904953 [2022-10-16 12:30:56,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:30:56,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:30:56,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:30:56,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:30:56,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:30:56,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:30:56" (1/1) ... [2022-10-16 12:30:56,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2350fb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:30:56, skipping insertion in model container [2022-10-16 12:30:56,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:30:56" (1/1) ... [2022-10-16 12:30:56,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:30:56,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:31:00,327 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-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-10-16 12:31:00,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:31:00,584 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:31:01,280 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-commit-tester/main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341124,341137] [2022-10-16 12:31:01,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:31:01,584 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:31:01,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01 WrapperNode [2022-10-16 12:31:01,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:31:01,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:31:01,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:31:01,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:31:01,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:01,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:01,992 INFO L138 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 78, statements flattened = 4574 [2022-10-16 12:31:01,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:31:01,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:31:01,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:31:01,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:31:02,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:31:02,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:31:02,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:31:02,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:31:02,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (1/1) ... [2022-10-16 12:31:02,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:31:02,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:02,508 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 12:31:02,527 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 12:31:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-16 12:31:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-16 12:31:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:31:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:31:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:31:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-16 12:31:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-16 12:31:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-16 12:31:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-16 12:31:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_fmt [2022-10-16 12:31:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_fmt [2022-10-16 12:31:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2022-10-16 12:31:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2022-10-16 12:31:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-10-16 12:31:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-10-16 12:31:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:31:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:31:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure check_control_id [2022-10-16 12:31:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure check_control_id [2022-10-16 12:31:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:31:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:31:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:31:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 12:31:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 12:31:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure set_frequency [2022-10-16 12:31:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frequency [2022-10-16 12:31:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-16 12:31:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-16 12:31:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-16 12:31:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-16 12:31:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:31:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:31:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:31:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_transfer_stop [2022-10-16 12:31:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_transfer_stop [2022-10-16 12:31:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 12:31:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 12:31:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 12:31:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 12:31:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 12:31:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 12:31:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_stream [2022-10-16 12:31:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_stream [2022-10-16 12:31:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2022-10-16 12:31:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2022-10-16 12:31:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:31:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_audio_std [2022-10-16 12:31:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_audio_std [2022-10-16 12:31:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:31:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2022-10-16 12:31:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2022-10-16 12:31:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:31:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:31:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:31:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:31:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2022-10-16 12:31:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2022-10-16 12:31:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_release [2022-10-16 12:31:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_release [2022-10-16 12:31:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_open [2022-10-16 12:31:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_open [2022-10-16 12:31:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 12:31:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 12:31:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-16 12:31:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-16 12:31:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2022-10-16 12:31:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2022-10-16 12:31:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 12:31:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 12:31:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-10-16 12:31:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-10-16 12:31:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 12:31:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 12:31:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bulk_urbs_generic [2022-10-16 12:31:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bulk_urbs_generic [2022-10-16 12:31:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:31:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:31:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-16 12:31:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-16 12:31:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:31:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:31:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:31:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:31:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-10-16 12:31:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-10-16 12:31:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:31:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:31:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-10-16 12:31:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-10-16 12:31:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb [2022-10-16 12:31:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb [2022-10-16 12:31:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:31:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:31:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:31:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:31:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-10-16 12:31:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-10-16 12:31:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:31:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:31:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure pd_vidioc_s_tuner [2022-10-16 12:31:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_vidioc_s_tuner [2022-10-16 12:31:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:31:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:31:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:31:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_std [2022-10-16 12:31:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure set_std [2022-10-16 12:31:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:31:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urb_generic [2022-10-16 12:31:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urb_generic [2022-10-16 12:31:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:31:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:31:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:31:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_stop [2022-10-16 12:31:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_stop [2022-10-16 12:31:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 12:31:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 12:31:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:31:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:31:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-16 12:31:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-16 12:31:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2022-10-16 12:31:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2022-10-16 12:31:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:31:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:31:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:31:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:31:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:31:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:31:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:31:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure pd_video_checkmode [2022-10-16 12:31:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_video_checkmode [2022-10-16 12:31:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-10-16 12:31:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-10-16 12:31:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-10-16 12:31:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-10-16 12:31:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2022-10-16 12:31:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2022-10-16 12:31:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:31:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug_mode [2022-10-16 12:31:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug_mode [2022-10-16 12:31:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:31:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:31:03,432 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:31:03,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:33:09,513 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:33:09,541 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:33:09,541 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 12:33:09,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:09 BoogieIcfgContainer [2022-10-16 12:33:09,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:33:09,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:33:09,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:33:09,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:33:09,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:30:56" (1/3) ... [2022-10-16 12:33:09,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f6381e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:09, skipping insertion in model container [2022-10-16 12:33:09,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:01" (2/3) ... [2022-10-16 12:33:09,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f6381e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:09, skipping insertion in model container [2022-10-16 12:33:09,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:09" (3/3) ... [2022-10-16 12:33:09,559 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:33:09,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:33:09,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-10-16 12:33:09,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:33:09,729 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;@67ec2445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:33:09,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-10-16 12:33:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 1056 states, 747 states have (on average 1.428380187416332) internal successors, (1067), 794 states have internal predecessors, (1067), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) [2022-10-16 12:33:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 12:33:09,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:09,772 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] [2022-10-16 12:33:09,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_stdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_stdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pd_video_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 12:33:09,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash -453485209, now seen corresponding path program 1 times [2022-10-16 12:33:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:09,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436371681] [2022-10-16 12:33:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:09,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-16 12:33:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:11,797 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 12:33:11,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:11,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436371681] [2022-10-16 12:33:11,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436371681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:11,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:11,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:33:11,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2992217] [2022-10-16 12:33:11,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:11,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:33:11,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:11,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:33:11,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:33:11,865 INFO L87 Difference]: Start difference. First operand has 1056 states, 747 states have (on average 1.428380187416332) internal successors, (1067), 794 states have internal predecessors, (1067), 210 states have call successors, (210), 62 states have call predecessors, (210), 62 states have return successors, (210), 209 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:14,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:17,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:20,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:26,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:28,597 INFO L93 Difference]: Finished difference Result 2417 states and 3556 transitions. [2022-10-16 12:33:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:33:28,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-10-16 12:33:28,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:28,631 INFO L225 Difference]: With dead ends: 2417 [2022-10-16 12:33:28,631 INFO L226 Difference]: Without dead ends: 1342 [2022-10-16 12:33:28,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:33:28,652 INFO L413 NwaCegarLoop]: 1673 mSDtfsCounter, 862 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 222 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:28,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 3164 Invalid, 1225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [222 Valid, 999 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2022-10-16 12:33:28,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2022-10-16 12:33:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 931. [2022-10-16 12:33:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 669 states have (on average 1.4185351270553064) internal successors, (949), 696 states have internal predecessors, (949), 185 states have call successors, (185), 53 states have call predecessors, (185), 53 states have return successors, (185), 184 states have call predecessors, (185), 185 states have call successors, (185) [2022-10-16 12:33:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1319 transitions. [2022-10-16 12:33:28,886 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1319 transitions. Word has length 30 [2022-10-16 12:33:28,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:28,887 INFO L495 AbstractCegarLoop]: Abstraction has 931 states and 1319 transitions. [2022-10-16 12:33:28,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1319 transitions. [2022-10-16 12:33:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:33:28,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:28,901 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] [2022-10-16 12:33:28,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:33:28,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pd_video_releaseErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_stdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_stdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pd_video_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 12:33:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:28,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1693776761, now seen corresponding path program 1 times [2022-10-16 12:33:28,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:28,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813124981] [2022-10-16 12:33:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:33:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:33:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:33:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,217 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 12:33:30,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:30,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813124981] [2022-10-16 12:33:30,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813124981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:30,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:30,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:30,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999794420] [2022-10-16 12:33:30,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:30,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:30,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:30,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:30,222 INFO L87 Difference]: Start difference. First operand 931 states and 1319 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:33:32,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:35,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:37,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:43,562 INFO L93 Difference]: Finished difference Result 2255 states and 3262 transitions. [2022-10-16 12:33:43,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:33:43,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-10-16 12:33:43,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:43,673 INFO L225 Difference]: With dead ends: 2255 [2022-10-16 12:33:43,673 INFO L226 Difference]: Without dead ends: 1330 [2022-10-16 12:33:43,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:43,680 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1221 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 590 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:43,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 2634 Invalid, 1459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [590 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-10-16 12:33:43,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-16 12:33:43,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1320. [2022-10-16 12:33:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 973 states have (on average 1.4306269270298047) internal successors, (1392), 998 states have internal predecessors, (1392), 272 states have call successors, (272), 53 states have call predecessors, (272), 53 states have return successors, (272), 271 states have call predecessors, (272), 272 states have call successors, (272) [2022-10-16 12:33:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1936 transitions. [2022-10-16 12:33:43,773 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1936 transitions. Word has length 41 [2022-10-16 12:33:43,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:43,774 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 1936 transitions. [2022-10-16 12:33:43,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:33:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1936 transitions. [2022-10-16 12:33:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:33:43,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:43,777 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] [2022-10-16 12:33:43,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:33:43,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_stdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_stdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pd_video_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 12:33:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:43,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1998935985, now seen corresponding path program 1 times [2022-10-16 12:33:43,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:43,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089250937] [2022-10-16 12:33:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:43,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:33:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,656 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 12:33:45,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:45,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089250937] [2022-10-16 12:33:45,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089250937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:45,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:45,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:33:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201110293] [2022-10-16 12:33:45,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:45,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:45,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:45,661 INFO L87 Difference]: Start difference. First operand 1320 states and 1936 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:33:47,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:50,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:52,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:56,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:58,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:04,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:08,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:34:08,917 INFO L93 Difference]: Finished difference Result 2644 states and 3920 transitions. [2022-10-16 12:34:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:34:08,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-10-16 12:34:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:34:08,930 INFO L225 Difference]: With dead ends: 2644 [2022-10-16 12:34:08,931 INFO L226 Difference]: Without dead ends: 1330 [2022-10-16 12:34:08,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:34:08,947 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 394 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 188 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:34:08,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 3159 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1491 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2022-10-16 12:34:08,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-16 12:34:09,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1322. [2022-10-16 12:34:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 975 states have (on average 1.4297435897435897) internal successors, (1394), 999 states have internal predecessors, (1394), 272 states have call successors, (272), 53 states have call predecessors, (272), 53 states have return successors, (272), 271 states have call predecessors, (272), 272 states have call successors, (272) [2022-10-16 12:34:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1938 transitions. [2022-10-16 12:34:09,036 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1938 transitions. Word has length 42 [2022-10-16 12:34:09,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:34:09,036 INFO L495 AbstractCegarLoop]: Abstraction has 1322 states and 1938 transitions. [2022-10-16 12:34:09,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:34:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1938 transitions. [2022-10-16 12:34:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 12:34:09,039 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:34:09,040 INFO L195 NwaCegarLoop]: trace histogram [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 12:34:09,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:34:09,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_stdErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_stdErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pd_video_releaseErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2022-10-16 12:34:09,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:34:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash -162887090, now seen corresponding path program 1 times [2022-10-16 12:34:09,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:34:09,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432685694] [2022-10-16 12:34:09,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:09,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:34:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:34:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:34:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:34:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:11,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:34:11,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432685694] [2022-10-16 12:34:11,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432685694] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:34:11,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741830989] [2022-10-16 12:34:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:11,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:34:11,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:34:11,227 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 12:34:11,233 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 12:34:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:12,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 6279 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 12:34:12,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:34:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:13,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:34:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:13,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741830989] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:34:13,387 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:34:13,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-10-16 12:34:13,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420959167] [2022-10-16 12:34:13,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:34:13,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 12:34:13,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:34:13,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 12:34:13,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:34:13,390 INFO L87 Difference]: Start difference. First operand 1322 states and 1938 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 12:34:15,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:19,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:21,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:23,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:25,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:27,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:32,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:34,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:36,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:38,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:41,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []