/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:10:58,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:10:58,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:10:58,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:10:58,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:10:58,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:10:58,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:10:58,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:10:58,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:10:58,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:10:58,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:10:58,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:10:58,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:10:58,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:10:58,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:10:58,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:10:58,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:10:58,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:10:58,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:10:58,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:10:58,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:10:58,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:10:58,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:10:58,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:10:58,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:10:58,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:10:58,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:10:58,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:10:58,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:10:58,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:10:58,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:10:58,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:10:58,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:10:58,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:10:58,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:10:58,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:10:58,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:10:58,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:10:58,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:10:58,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:10:58,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:10:58,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:10:58,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:10:58,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:10:58,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:10:58,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:10:58,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:10:58,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:10:58,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:10:58,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:10:58,469 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:10:58,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:10:58,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:10:58,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:10:58,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:10:58,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:10:58,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:10:58,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:10:58,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:10:58,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:10:58,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:10:58,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:10:58,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:10:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:58,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:10:58,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:10:58,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:10:58,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:10:58,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:10:58,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:10:58,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:10:58,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:10:58,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:10:58,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:10:59,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:10:59,002 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:10:59,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2022-10-15 21:10:59,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a3def225/678d36ee5fad46d4b5b9bcc119184d95/FLAG82d72c2b8 [2022-10-15 21:11:00,185 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:11:00,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2022-10-15 21:11:00,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a3def225/678d36ee5fad46d4b5b9bcc119184d95/FLAG82d72c2b8 [2022-10-15 21:11:00,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a3def225/678d36ee5fad46d4b5b9bcc119184d95 [2022-10-15 21:11:00,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:11:00,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:11:00,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:00,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:11:00,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:11:00,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:00" (1/1) ... [2022-10-15 21:11:00,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660b6c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:00, skipping insertion in model container [2022-10-15 21:11:00,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:11:00" (1/1) ... [2022-10-15 21:11:00,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:11:00,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:11:01,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i[96705,96718] [2022-10-15 21:11:01,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:01,829 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:11:02,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i[96705,96718] [2022-10-15 21:11:02,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:11:02,424 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:11:02,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02 WrapperNode [2022-10-15 21:11:02,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:11:02,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:02,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:11:02,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:11:02,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,651 INFO L138 Inliner]: procedures = 116, calls = 802, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 2302 [2022-10-15 21:11:02,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:11:02,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:11:02,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:11:02,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:11:02,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:11:02,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:11:02,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:11:02,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:11:02,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (1/1) ... [2022-10-15 21:11:02,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:11:02,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:02,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:11:02,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:11:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_exit [2022-10-15 21:11:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_exit [2022-10-15 21:11:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_dfu_driver_init [2022-10-15 21:11:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_dfu_driver_init [2022-10-15 21:11:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure fw_hdrs_free [2022-10-15 21:11:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_hdrs_free [2022-10-15 21:11:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:11:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-15 21:11:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-15 21:11:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:11:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:11:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2022-10-15 21:11:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~int [2022-10-15 21:11:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:11:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:11:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:11:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-10-15 21:11:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-10-15 21:11:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_read [2022-10-15 21:11:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_read [2022-10-15 21:11:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd_reset [2022-10-15 21:11:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd_reset [2022-10-15 21:11:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:11:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:11:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2022-10-15 21:11:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2022-10-15 21:11:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:11:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:11:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:11:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:11:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:11:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:11:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-15 21:11:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-15 21:11:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:11:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:11:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mpi_write [2022-10-15 21:11:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mpi_write [2022-10-15 21:11:02,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2022-10-15 21:11:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2022-10-15 21:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_mac_fw_upload [2022-10-15 21:11:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_mac_fw_upload [2022-10-15 21:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion___0 [2022-10-15 21:11:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion___0 [2022-10-15 21:11:02,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:11:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:11:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-10-15 21:11:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-10-15 21:11:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_rceb_check [2022-10-15 21:11:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_rceb_check [2022-10-15 21:11:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:11:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:11:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_fw_upload [2022-10-15 21:11:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_fw_upload [2022-10-15 21:11:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:11:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:11:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:11:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:11:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:11:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:11:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-15 21:11:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-15 21:11:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __mac_fw_upload [2022-10-15 21:11:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __mac_fw_upload [2022-10-15 21:11:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:11:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:11:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_print_state [2022-10-15 21:11:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_print_state [2022-10-15 21:11:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:11:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:11:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_phy_fw_upload [2022-10-15 21:11:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_phy_fw_upload [2022-10-15 21:11:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:11:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:11:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-10-15 21:11:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-10-15 21:11:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-15 21:11:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-15 21:11:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:11:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:11:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2022-10-15 21:11:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2022-10-15 21:11:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-15 21:11:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-15 21:11:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:11:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2022-10-15 21:11:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~int~TO~int [2022-10-15 21:11:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure i1480_cmd [2022-10-15 21:11:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure i1480_cmd [2022-10-15 21:11:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-15 21:11:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-15 21:11:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:11:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:11:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:11:03,574 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:11:03,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:11:03,595 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:11:03,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-10-15 21:11:03,826 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-10-15 21:11:04,755 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2022-10-15 21:11:05,014 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:11:05,779 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2022-10-15 21:11:05,779 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2022-10-15 21:11:05,858 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:11:05,882 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:11:05,883 INFO L300 CfgBuilder]: Removed 43 assume(true) statements. [2022-10-15 21:11:05,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:05 BoogieIcfgContainer [2022-10-15 21:11:05,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:11:05,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:11:05,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:11:05,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:11:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:11:00" (1/3) ... [2022-10-15 21:11:05,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6169ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:05, skipping insertion in model container [2022-10-15 21:11:05,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:11:02" (2/3) ... [2022-10-15 21:11:05,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6169ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:11:05, skipping insertion in model container [2022-10-15 21:11:05,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:11:05" (3/3) ... [2022-10-15 21:11:05,902 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-uwb-i1480-dfu-i1480-dfu-usb.ko.cil.out.i [2022-10-15 21:11:05,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:11:05,929 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-10-15 21:11:06,057 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:11:06,072 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;@3ce29081, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:11:06,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-10-15 21:11:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 653 states, 495 states have (on average 1.509090909090909) internal successors, (747), 532 states have internal predecessors, (747), 92 states have call successors, (92), 39 states have call predecessors, (92), 38 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2022-10-15 21:11:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:11:06,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:06,128 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:06,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:06,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1396062498, now seen corresponding path program 1 times [2022-10-15 21:11:06,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:06,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171541772] [2022-10-15 21:11:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:06,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-15 21:11:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:11:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:11:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:11:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:11:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:11:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-15 21:11:07,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:07,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171541772] [2022-10-15 21:11:07,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171541772] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:07,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:07,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:11:07,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749032654] [2022-10-15 21:11:07,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:07,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:11:07,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:11:07,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:11:07,365 INFO L87 Difference]: Start difference. First operand has 653 states, 495 states have (on average 1.509090909090909) internal successors, (747), 532 states have internal predecessors, (747), 92 states have call successors, (92), 39 states have call predecessors, (92), 38 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 2 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:11:09,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:09,820 INFO L93 Difference]: Finished difference Result 1477 states and 2202 transitions. [2022-10-15 21:11:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:11:09,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 2 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2022-10-15 21:11:09,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:09,851 INFO L225 Difference]: With dead ends: 1477 [2022-10-15 21:11:09,854 INFO L226 Difference]: Without dead ends: 803 [2022-10-15 21:11:09,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:09,877 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 591 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 1654 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:09,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 1654 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:11:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2022-10-15 21:11:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 600. [2022-10-15 21:11:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 457 states have (on average 1.3150984682713347) internal successors, (601), 484 states have internal predecessors, (601), 83 states have call successors, (83), 35 states have call predecessors, (83), 35 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-10-15 21:11:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 767 transitions. [2022-10-15 21:11:10,035 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 767 transitions. Word has length 92 [2022-10-15 21:11:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:10,037 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 767 transitions. [2022-10-15 21:11:10,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 2 states have internal predecessors, (52), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-15 21:11:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 767 transitions. [2022-10-15 21:11:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:11:10,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:10,043 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:10,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:11:10,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:10,046 INFO L85 PathProgramCache]: Analyzing trace with hash 716356896, now seen corresponding path program 1 times [2022-10-15 21:11:10,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:10,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386503491] [2022-10-15 21:11:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:11:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:11:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:11:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:11:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-15 21:11:11,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:11,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386503491] [2022-10-15 21:11:11,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386503491] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:11,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:11,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:11:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002576460] [2022-10-15 21:11:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:11,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:11:11,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:11:11,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:11:11,693 INFO L87 Difference]: Start difference. First operand 600 states and 767 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:11:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:15,753 INFO L93 Difference]: Finished difference Result 1474 states and 1945 transitions. [2022-10-15 21:11:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:11:15,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2022-10-15 21:11:15,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:15,769 INFO L225 Difference]: With dead ends: 1474 [2022-10-15 21:11:15,769 INFO L226 Difference]: Without dead ends: 885 [2022-10-15 21:11:15,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:11:15,777 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 624 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:15,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 4861 Invalid, 2441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [257 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-15 21:11:15,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2022-10-15 21:11:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 607. [2022-10-15 21:11:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 462 states have (on average 1.3116883116883118) internal successors, (606), 489 states have internal predecessors, (606), 83 states have call successors, (83), 35 states have call predecessors, (83), 37 states have return successors, (88), 85 states have call predecessors, (88), 83 states have call successors, (88) [2022-10-15 21:11:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 777 transitions. [2022-10-15 21:11:15,877 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 777 transitions. Word has length 96 [2022-10-15 21:11:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:15,880 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 777 transitions. [2022-10-15 21:11:15,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-15 21:11:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 777 transitions. [2022-10-15 21:11:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:11:15,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:15,891 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:15,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:11:15,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:15,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1091097567, now seen corresponding path program 1 times [2022-10-15 21:11:15,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:15,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130344358] [2022-10-15 21:11:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:11:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:11:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:11:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:11:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-15 21:11:16,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:16,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130344358] [2022-10-15 21:11:16,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130344358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:16,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:16,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:11:16,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32733902] [2022-10-15 21:11:16,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:16,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:11:16,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:16,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:11:16,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:11:16,619 INFO L87 Difference]: Start difference. First operand 607 states and 777 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 21:11:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:20,552 INFO L93 Difference]: Finished difference Result 2189 states and 2891 transitions. [2022-10-15 21:11:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:11:20,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 96 [2022-10-15 21:11:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:20,574 INFO L225 Difference]: With dead ends: 2189 [2022-10-15 21:11:20,574 INFO L226 Difference]: Without dead ends: 1592 [2022-10-15 21:11:20,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:11:20,592 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 1800 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:20,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 2511 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-15 21:11:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2022-10-15 21:11:20,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1169. [2022-10-15 21:11:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 906 states have (on average 1.3123620309050772) internal successors, (1189), 939 states have internal predecessors, (1189), 165 states have call successors, (165), 69 states have call predecessors, (165), 73 states have return successors, (175), 166 states have call predecessors, (175), 165 states have call successors, (175) [2022-10-15 21:11:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1529 transitions. [2022-10-15 21:11:20,750 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1529 transitions. Word has length 96 [2022-10-15 21:11:20,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:20,753 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1529 transitions. [2022-10-15 21:11:20,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-15 21:11:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1529 transitions. [2022-10-15 21:11:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-15 21:11:20,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:20,768 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:20,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:11:20,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:20,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1725356278, now seen corresponding path program 1 times [2022-10-15 21:11:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:20,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169309099] [2022-10-15 21:11:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:11:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:11:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:11:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:11:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 21:11:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-15 21:11:21,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:21,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169309099] [2022-10-15 21:11:21,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169309099] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:21,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:21,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:11:21,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425713983] [2022-10-15 21:11:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:21,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:11:21,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:21,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:11:21,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:11:21,649 INFO L87 Difference]: Start difference. First operand 1169 states and 1529 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:11:24,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:24,590 INFO L93 Difference]: Finished difference Result 2754 states and 3747 transitions. [2022-10-15 21:11:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:11:24,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 136 [2022-10-15 21:11:24,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:24,611 INFO L225 Difference]: With dead ends: 2754 [2022-10-15 21:11:24,611 INFO L226 Difference]: Without dead ends: 1596 [2022-10-15 21:11:24,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:11:24,632 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 591 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:24,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 3014 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-15 21:11:24,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2022-10-15 21:11:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1175. [2022-10-15 21:11:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 912 states have (on average 1.3103070175438596) internal successors, (1195), 945 states have internal predecessors, (1195), 165 states have call successors, (165), 69 states have call predecessors, (165), 73 states have return successors, (175), 166 states have call predecessors, (175), 165 states have call successors, (175) [2022-10-15 21:11:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1535 transitions. [2022-10-15 21:11:24,782 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1535 transitions. Word has length 136 [2022-10-15 21:11:24,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:24,783 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1535 transitions. [2022-10-15 21:11:24,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:11:24,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1535 transitions. [2022-10-15 21:11:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-15 21:11:24,789 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:24,789 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:24,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:11:24,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:24,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:24,791 INFO L85 PathProgramCache]: Analyzing trace with hash 669989105, now seen corresponding path program 1 times [2022-10-15 21:11:24,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:24,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608452807] [2022-10-15 21:11:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:11:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:11:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:11:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:11:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 21:11:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-15 21:11:27,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608452807] [2022-10-15 21:11:27,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608452807] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657438724] [2022-10-15 21:11:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:27,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:27,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:27,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:11:27,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:11:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:28,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-15 21:11:28,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:28,787 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2022-10-15 21:11:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-15 21:11:29,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:11:29,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657438724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:29,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:11:29,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2022-10-15 21:11:29,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108960460] [2022-10-15 21:11:29,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:29,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:11:29,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:29,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:11:29,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:11:29,083 INFO L87 Difference]: Start difference. First operand 1175 states and 1535 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-15 21:11:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:11:30,301 INFO L93 Difference]: Finished difference Result 2224 states and 2923 transitions. [2022-10-15 21:11:30,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:11:30,302 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 139 [2022-10-15 21:11:30,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:11:30,314 INFO L225 Difference]: With dead ends: 2224 [2022-10-15 21:11:30,314 INFO L226 Difference]: Without dead ends: 1060 [2022-10-15 21:11:30,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-10-15 21:11:30,326 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 101 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 4384 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:11:30,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 4384 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 21:11:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-10-15 21:11:30,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1036. [2022-10-15 21:11:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 800 states have (on average 1.28125) internal successors, (1025), 825 states have internal predecessors, (1025), 149 states have call successors, (149), 69 states have call predecessors, (149), 71 states have return successors, (155), 147 states have call predecessors, (155), 145 states have call successors, (155) [2022-10-15 21:11:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1329 transitions. [2022-10-15 21:11:30,430 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1329 transitions. Word has length 139 [2022-10-15 21:11:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:11:30,437 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1329 transitions. [2022-10-15 21:11:30,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-15 21:11:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1329 transitions. [2022-10-15 21:11:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-15 21:11:30,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:11:30,453 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:11:30,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 21:11:30,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:30,663 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~~u32~0~X~int~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~~u32~0~X~int~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:11:30,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:11:30,665 INFO L85 PathProgramCache]: Analyzing trace with hash 671836147, now seen corresponding path program 1 times [2022-10-15 21:11:30,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:11:30,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823622019] [2022-10-15 21:11:30,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:30,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:11:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:11:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:11:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:11:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:11:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:11:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:11:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:11:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:11:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-15 21:11:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:11:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 21:11:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 21:11:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-15 21:11:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823622019] [2022-10-15 21:11:33,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823622019] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:11:33,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448475422] [2022-10-15 21:11:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:11:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:11:33,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:11:33,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:11:33,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:11:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:34,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 169 conjunts are in the unsatisfiable core [2022-10-15 21:11:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:11:34,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-15 21:11:43,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-15 21:11:43,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:44,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:46,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:46,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:47,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:47,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:47,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-15 21:11:48,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:11:48,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 55 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 101