/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/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:31:21,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:31:21,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:31:21,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:31:21,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:31:21,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:31:21,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:31:21,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:31:21,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:31:21,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:31:21,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:31:21,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:31:21,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:31:21,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:31:21,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:31:21,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:31:21,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:31:21,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:31:21,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:31:21,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:31:21,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:31:21,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:31:21,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:31:21,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:31:21,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:31:21,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:31:21,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:31:21,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:31:21,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:31:21,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:31:21,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:31:21,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:31:21,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:31:21,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:31:21,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:31:21,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:31:21,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:31:21,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:31:21,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:31:21,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:31:21,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:31:21,878 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 12:31:21,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:31:21,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:31:21,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:31:21,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:31:21,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:31:21,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:31:21,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:31:21,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:31:21,936 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:31:21,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:31:21,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:31:21,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:31:21,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:31:21,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:31:21,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:31:21,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:31:21,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:31:21,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:31:21,938 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:31:21,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:31:21,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:31:21,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:31:21,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:31:21,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:31:21,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:31:21,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:31:21,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:31:21,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:31:21,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:31:21,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:31:21,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:31:21,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:31:21,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:31:21,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:31:22,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:31:22,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:31:22,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:31:22,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:31:22,382 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:31:22,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:31:22,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162c44e8d/f8af79d2904c4644856cbdbb29b9dd1b/FLAG11b268118 [2022-10-16 12:31:23,761 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:31:23,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:31:23,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162c44e8d/f8af79d2904c4644856cbdbb29b9dd1b/FLAG11b268118 [2022-10-16 12:31:23,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/162c44e8d/f8af79d2904c4644856cbdbb29b9dd1b [2022-10-16 12:31:23,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:31:23,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:31:23,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:31:23,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:31:23,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:31:23,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:31:23" (1/1) ... [2022-10-16 12:31:23,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240573a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:23, skipping insertion in model container [2022-10-16 12:31:23,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:31:23" (1/1) ... [2022-10-16 12:31:23,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:31:24,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:31:27,863 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/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341143,341156] [2022-10-16 12:31:28,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:31:28,108 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:31:28,842 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/main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[341143,341156] [2022-10-16 12:31:28,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:31:29,239 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:31:29,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29 WrapperNode [2022-10-16 12:31:29,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:31:29,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:31:29,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:31:29,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:31:29,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,604 INFO L138 Inliner]: procedures = 461, calls = 4704, calls flagged for inlining = 237, calls inlined = 31, statements flattened = 2522 [2022-10-16 12:31:29,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:31:29,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:31:29,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:31:29,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:31:29,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:31:29,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:31:29,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:31:29,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:31:29,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (1/1) ... [2022-10-16 12:31:29,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:31:29,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:31:29,963 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 12:31:29,991 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 12:31:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:31:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-16 12:31:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-16 12:31:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_stop_streaming [2022-10-16 12:31:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_stop_streaming [2022-10-16 12:31:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_check_mode_dvbt [2022-10-16 12:31:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_check_mode_dvbt [2022-10-16 12:31:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_tuner_mode [2022-10-16 12:31:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tuner_mode [2022-10-16 12:31:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-16 12:31:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-16 12:31:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:31:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:31:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:31:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 12:31:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 12:31:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-16 12:31:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-16 12:31:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-16 12:31:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-16 12:31:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:31:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 12:31:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 12:31:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 12:31:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 12:31:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:31:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_poseidon [2022-10-16 12:31:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_poseidon [2022-10-16 12:31:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 12:31:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-16 12:31:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:31:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:31:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_poseidon [2022-10-16 12:31:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_poseidon [2022-10-16 12:31:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 12:31:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 12:31:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_req [2022-10-16 12:31:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_req [2022-10-16 12:31:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 12:31:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 12:31:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:31:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:31:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:31:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:31:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-10-16 12:31:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-10-16 12:31:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:31:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:31:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:31:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:31:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:31:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:31:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:31:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:31:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:31:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:31:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:31:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-16 12:31:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-16 12:31:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:31:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:31:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-16 12:31:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-16 12:31:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure send_get_req [2022-10-16 12:31:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure send_get_req [2022-10-16 12:31:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:31:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:31:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure poseidon_set_fe [2022-10-16 12:31:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure poseidon_set_fe [2022-10-16 12:31:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:31:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:31:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:31:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:31:30,835 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:31:30,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:33:28,628 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:33:28,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:33:28,644 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:33:28,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:28 BoogieIcfgContainer [2022-10-16 12:33:28,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:33:28,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:33:28,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:33:28,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:33:28,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:31:23" (1/3) ... [2022-10-16 12:33:28,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431e9d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:28, skipping insertion in model container [2022-10-16 12:33:28,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:31:29" (2/3) ... [2022-10-16 12:33:28,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431e9d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:33:28, skipping insertion in model container [2022-10-16 12:33:28,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:33:28" (3/3) ... [2022-10-16 12:33:28,659 INFO L112 eAbstractionObserver]: Analyzing ICFG main2_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2022-10-16 12:33:28,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:33:28,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 12:33:28,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:33:28,780 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;@4d651eb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:33:28,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 12:33:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 398 states, 267 states have (on average 1.3707865168539326) internal successors, (366), 288 states have internal predecessors, (366), 92 states have call successors, (92), 28 states have call predecessors, (92), 28 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2022-10-16 12:33:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:33:28,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:28,822 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] [2022-10-16 12:33:28,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:33:28,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:28,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1187192919, now seen corresponding path program 1 times [2022-10-16 12:33:28,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:28,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125684168] [2022-10-16 12:33:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:28,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:33:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:33:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:33:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:30,948 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 12:33:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:30,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125684168] [2022-10-16 12:33:30,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125684168] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:30,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:30,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:33:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776321359] [2022-10-16 12:33:30,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:30,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:33:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:30,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:33:30,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:31,000 INFO L87 Difference]: Start difference. First operand has 398 states, 267 states have (on average 1.3707865168539326) internal successors, (366), 288 states have internal predecessors, (366), 92 states have call successors, (92), 28 states have call predecessors, (92), 28 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:33:33,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:35,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:38,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:41,482 WARN L539 Checker$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 12:33:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:43,454 INFO L93 Difference]: Finished difference Result 829 states and 1173 transitions. [2022-10-16 12:33:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:33:43,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2022-10-16 12:33:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:43,479 INFO L225 Difference]: With dead ends: 829 [2022-10-16 12:33:43,480 INFO L226 Difference]: Without dead ends: 417 [2022-10-16 12:33:43,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:33:43,494 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 187 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 98 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:43,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1197 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 504 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2022-10-16 12:33:43,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2022-10-16 12:33:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 381. [2022-10-16 12:33:43,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 261 states have (on average 1.3563218390804597) internal successors, (354), 274 states have internal predecessors, (354), 84 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-16 12:33:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 522 transitions. [2022-10-16 12:33:43,627 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 522 transitions. Word has length 34 [2022-10-16 12:33:43,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:43,629 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 522 transitions. [2022-10-16 12:33:43,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:33:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 522 transitions. [2022-10-16 12:33:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 12:33:43,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:43,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:43,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:33:43,635 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:33:43,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:43,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1646209087, now seen corresponding path program 1 times [2022-10-16 12:33:43,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:43,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151363062] [2022-10-16 12:33:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:33:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:33:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:33:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:45,494 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 12:33:45,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:45,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151363062] [2022-10-16 12:33:45,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151363062] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:33:45,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:33:45,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:33:45,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429978785] [2022-10-16 12:33:45,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:33:45,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:33:45,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:33:45,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:33:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:33:45,499 INFO L87 Difference]: Start difference. First operand 381 states and 522 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:33:47,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:49,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:52,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:33:55,814 WARN L539 Checker$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 12:33:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:33:57,271 INFO L93 Difference]: Finished difference Result 763 states and 1047 transitions. [2022-10-16 12:33:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:33:57,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2022-10-16 12:33:57,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:33:57,277 INFO L225 Difference]: With dead ends: 763 [2022-10-16 12:33:57,278 INFO L226 Difference]: Without dead ends: 388 [2022-10-16 12:33:57,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:33:57,282 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 655 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 216 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:33:57,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 898 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 477 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2022-10-16 12:33:57,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-10-16 12:33:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2022-10-16 12:33:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 265 states have (on average 1.3547169811320754) internal successors, (359), 278 states have internal predecessors, (359), 84 states have call successors, (84), 27 states have call predecessors, (84), 27 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-16 12:33:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 527 transitions. [2022-10-16 12:33:57,370 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 527 transitions. Word has length 36 [2022-10-16 12:33:57,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:33:57,371 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 527 transitions. [2022-10-16 12:33:57,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:33:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 527 transitions. [2022-10-16 12:33:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:33:57,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:33:57,376 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:33:57,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:33:57,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:33:57,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:33:57,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1544646660, now seen corresponding path program 1 times [2022-10-16 12:33:57,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:33:57,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396735230] [2022-10-16 12:33:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:33:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:33:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:33:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:33:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:33:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:33:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:33:58,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:33:58,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396735230] [2022-10-16 12:33:58,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396735230] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:33:58,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540381690] [2022-10-16 12:33:58,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:33:58,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:33:58,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:33:58,742 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 12:33:58,772 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 12:34:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:00,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 5912 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:34:00,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:34:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:00,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:34:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:00,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540381690] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:34:00,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:34:00,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 12:34:00,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849425120] [2022-10-16 12:34:00,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:34:00,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 12:34:00,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:34:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 12:34:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:34:00,497 INFO L87 Difference]: Start difference. First operand 386 states and 527 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:34:02,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:05,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:09,212 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 12:34:12,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:34:12,669 INFO L93 Difference]: Finished difference Result 505 states and 707 transitions. [2022-10-16 12:34:12,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:34:12,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2022-10-16 12:34:12,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:34:12,679 INFO L225 Difference]: With dead ends: 505 [2022-10-16 12:34:12,679 INFO L226 Difference]: Without dead ends: 504 [2022-10-16 12:34:12,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:34:12,685 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 279 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 116 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:34:12,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1822 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1023 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-10-16 12:34:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-10-16 12:34:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 400. [2022-10-16 12:34:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 279 states have (on average 1.3655913978494623) internal successors, (381), 292 states have internal predecessors, (381), 84 states have call successors, (84), 27 states have call predecessors, (84), 27 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-16 12:34:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 549 transitions. [2022-10-16 12:34:12,771 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 549 transitions. Word has length 39 [2022-10-16 12:34:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:34:12,772 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 549 transitions. [2022-10-16 12:34:12,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:34:12,772 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 549 transitions. [2022-10-16 12:34:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 12:34:12,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:34:12,779 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:34:12,839 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 12:34:12,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:34:12,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:34:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:34:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash 639406322, now seen corresponding path program 1 times [2022-10-16 12:34:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:34:12,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404234667] [2022-10-16 12:34:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:34:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:34:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:34:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:34:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:34:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:14,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:34:14,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404234667] [2022-10-16 12:34:14,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404234667] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:34:14,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244949380] [2022-10-16 12:34:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:34:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:34:14,482 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 12:34:14,505 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 12:34:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:15,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 5913 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 12:34:15,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:34:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:15,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:34:15,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244949380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:34:15,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:34:15,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 12:34:15,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439201807] [2022-10-16 12:34:15,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:34:15,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:34:15,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:34:15,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:34:15,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:34:15,964 INFO L87 Difference]: Start difference. First operand 400 states and 549 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:34:16,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:34:16,107 INFO L93 Difference]: Finished difference Result 402 states and 551 transitions. [2022-10-16 12:34:16,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:34:16,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-10-16 12:34:16,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:34:16,112 INFO L225 Difference]: With dead ends: 402 [2022-10-16 12:34:16,112 INFO L226 Difference]: Without dead ends: 401 [2022-10-16 12:34:16,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:34:16,114 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 74 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:34:16,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 975 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:34:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-10-16 12:34:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 399. [2022-10-16 12:34:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 279 states have (on average 1.3548387096774193) internal successors, (378), 291 states have internal predecessors, (378), 84 states have call successors, (84), 27 states have call predecessors, (84), 27 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-16 12:34:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 546 transitions. [2022-10-16 12:34:16,150 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 546 transitions. Word has length 40 [2022-10-16 12:34:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:34:16,151 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 546 transitions. [2022-10-16 12:34:16,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:34:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 546 transitions. [2022-10-16 12:34:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:34:16,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:34:16,153 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 12:34:16,209 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 12:34:16,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 12:34:16,367 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:34:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:34:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1575940646, now seen corresponding path program 1 times [2022-10-16 12:34:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:34:16,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204576151] [2022-10-16 12:34:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:16,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:34:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:34:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:34:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:34:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:34:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:17,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:34:17,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204576151] [2022-10-16 12:34:17,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204576151] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:34:17,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194033508] [2022-10-16 12:34:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:17,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:34:17,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:34:17,962 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 12:34:17,973 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 12:34:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:19,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 5936 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 12:34:19,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:34:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:19,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:34:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:34:20,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194033508] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:34:20,304 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:34:20,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2022-10-16 12:34:20,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209191460] [2022-10-16 12:34:20,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:34:20,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 12:34:20,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:34:20,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 12:34:20,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-10-16 12:34:20,307 INFO L87 Difference]: Start difference. First operand 399 states and 546 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 12:34:22,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:24,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:26,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:29,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:32,056 WARN L539 Checker$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 12:34:35,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:37,258 WARN L539 Checker$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 12:34:39,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:34:39,570 INFO L93 Difference]: Finished difference Result 793 states and 1089 transitions. [2022-10-16 12:34:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:34:39,571 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 41 [2022-10-16 12:34:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:34:39,577 INFO L225 Difference]: With dead ends: 793 [2022-10-16 12:34:39,577 INFO L226 Difference]: Without dead ends: 400 [2022-10-16 12:34:39,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 12:34:39,588 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 1064 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 420 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:34:39,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1093 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 717 Invalid, 7 Unknown, 0 Unchecked, 19.0s Time] [2022-10-16 12:34:39,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-10-16 12:34:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 390. [2022-10-16 12:34:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 271 states have (on average 1.3431734317343174) internal successors, (364), 282 states have internal predecessors, (364), 84 states have call successors, (84), 27 states have call predecessors, (84), 27 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-10-16 12:34:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 532 transitions. [2022-10-16 12:34:39,632 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 532 transitions. Word has length 41 [2022-10-16 12:34:39,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:34:39,632 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 532 transitions. [2022-10-16 12:34:39,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 11 states have internal predecessors, (79), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 12:34:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 532 transitions. [2022-10-16 12:34:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:34:39,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:34:39,635 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 12:34:39,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 12:34:39,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:34:39,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:34:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:34:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash -685369180, now seen corresponding path program 1 times [2022-10-16 12:34:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:34:39,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244718830] [2022-10-16 12:34:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:34:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:34:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:34:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:34:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:34:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:34:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:34:41,437 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 12:34:41,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:34:41,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244718830] [2022-10-16 12:34:41,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244718830] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:34:41,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:34:41,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:34:41,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866000153] [2022-10-16 12:34:41,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:34:41,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:34:41,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:34:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:34:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:34:41,441 INFO L87 Difference]: Start difference. First operand 390 states and 532 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:34:43,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:45,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:48,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:50,926 WARN L539 Checker$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 12:34:53,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:34:56,560 WARN L539 Checker$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 12:34:58,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:35:00,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:35:00,676 INFO L93 Difference]: Finished difference Result 798 states and 1094 transitions. [2022-10-16 12:35:00,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:35:00,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-10-16 12:35:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:35:00,681 INFO L225 Difference]: With dead ends: 798 [2022-10-16 12:35:00,681 INFO L226 Difference]: Without dead ends: 414 [2022-10-16 12:35:00,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:35:00,684 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 155 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 98 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:35:00,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1444 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 690 Invalid, 7 Unknown, 0 Unchecked, 18.7s Time] [2022-10-16 12:35:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-16 12:35:00,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 412. [2022-10-16 12:35:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 286 states have (on average 1.3391608391608392) internal successors, (383), 298 states have internal predecessors, (383), 90 states have call successors, (90), 28 states have call predecessors, (90), 28 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-10-16 12:35:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 563 transitions. [2022-10-16 12:35:00,714 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 563 transitions. Word has length 42 [2022-10-16 12:35:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:35:00,714 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 563 transitions. [2022-10-16 12:35:00,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:35:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 563 transitions. [2022-10-16 12:35:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:35:00,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:35:00,716 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 12:35:00,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:35:00,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:35:00,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:35:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash -683522138, now seen corresponding path program 1 times [2022-10-16 12:35:00,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:35:00,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500703873] [2022-10-16 12:35:00,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:35:00,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:35:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:35:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:35:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:35:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:35:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:02,741 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 12:35:02,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:35:02,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500703873] [2022-10-16 12:35:02,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500703873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:35:02,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:35:02,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:35:02,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505483976] [2022-10-16 12:35:02,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:35:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:35:02,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:35:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:35:02,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:35:02,744 INFO L87 Difference]: Start difference. First operand 412 states and 563 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:35:04,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:35:07,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:35:10,111 WARN L539 Checker$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 12:35:13,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:35:15,342 WARN L539 Checker$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 12:35:17,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:35:17,062 INFO L93 Difference]: Finished difference Result 828 states and 1137 transitions. [2022-10-16 12:35:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:35:17,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-10-16 12:35:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:35:17,067 INFO L225 Difference]: With dead ends: 828 [2022-10-16 12:35:17,067 INFO L226 Difference]: Without dead ends: 422 [2022-10-16 12:35:17,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:35:17,070 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 279 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 193 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:35:17,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1273 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 537 Invalid, 5 Unknown, 0 Unchecked, 14.1s Time] [2022-10-16 12:35:17,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-10-16 12:35:17,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2022-10-16 12:35:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 290 states have (on average 1.3344827586206895) internal successors, (387), 300 states have internal predecessors, (387), 90 states have call successors, (90), 28 states have call predecessors, (90), 28 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-10-16 12:35:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 567 transitions. [2022-10-16 12:35:17,098 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 567 transitions. Word has length 42 [2022-10-16 12:35:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:35:17,098 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 567 transitions. [2022-10-16 12:35:17,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:35:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 567 transitions. [2022-10-16 12:35:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 12:35:17,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:35:17,100 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] [2022-10-16 12:35:17,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:35:17,101 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting dvb_stop_streamingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [poseidon_set_feErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, poseidon_set_feErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 12:35:17,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:35:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash -456921063, now seen corresponding path program 1 times [2022-10-16 12:35:17,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:35:17,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178482437] [2022-10-16 12:35:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:35:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:35:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:35:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:35:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 12:35:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 12:35:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:35:18,097 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 12:35:18,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:35:18,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178482437] [2022-10-16 12:35:18,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178482437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:35:18,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:35:18,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:35:18,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919425735] [2022-10-16 12:35:18,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:35:18,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:35:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:35:18,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:35:18,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:35:18,100 INFO L87 Difference]: Start difference. First operand 416 states and 567 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 12:35:20,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:35:22,777 WARN L539 Checker$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 12:35:25,580 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 12:35:26,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:35:26,742 INFO L93 Difference]: Finished difference Result 835 states and 1143 transitions. [2022-10-16 12:35:26,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:35:26,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-10-16 12:35:26,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:35:26,747 INFO L225 Difference]: With dead ends: 835 [2022-10-16 12:35:26,748 INFO L226 Difference]: Without dead ends: 425 [2022-10-16 12:35:26,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 12:35:26,750 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 277 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 190 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:35:26,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 974 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 323 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-10-16 12:35:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states.