/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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:07:19,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:07:19,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:07:19,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:07:19,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:07:19,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:07:19,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:07:19,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:07:19,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:07:19,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:07:19,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:07:19,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:07:19,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:07:19,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:07:19,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:07:19,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:07:19,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:07:19,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:07:19,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:07:19,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:07:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:07:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:07:19,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:07:19,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:07:19,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:07:19,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:07:19,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:07:19,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:07:19,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:07:19,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:07:19,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:07:19,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:07:19,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:07:19,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:07:19,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:07:19,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:07:19,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:07:19,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:07:19,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:07:19,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:07:19,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:07:19,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:07:19,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:07:19,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:07:19,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:07:19,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:07:19,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:07:19,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:07:19,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:07:19,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:07:19,702 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:07:19,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:07:19,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:07:19,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:07:19,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:07:19,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:07:19,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:07:19,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:07:19,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:07:19,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:07:19,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:07:19,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:07:19,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:07:19,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:07:19,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:07:19,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:07:19,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:07:19,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:07:19,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:07:19,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:07:19,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:07:19,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:07:19,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:07:19,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:07:19,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:07:19,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:07:20,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:07:20,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:07:20,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:07:20,115 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:07:20,116 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:07:20,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-10-16 13:07:20,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abbf0152c/e3cd2531accb442cb2ffb56cc0205e4c/FLAGb82278ef0 [2022-10-16 13:07:21,050 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:07:21,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-10-16 13:07:21,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abbf0152c/e3cd2531accb442cb2ffb56cc0205e4c/FLAGb82278ef0 [2022-10-16 13:07:21,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abbf0152c/e3cd2531accb442cb2ffb56cc0205e4c [2022-10-16 13:07:21,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:07:21,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:07:21,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:07:21,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:07:21,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:07:21,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:07:21" (1/1) ... [2022-10-16 13:07:21,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5782f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:21, skipping insertion in model container [2022-10-16 13:07:21,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:07:21" (1/1) ... [2022-10-16 13:07:21,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:07:21,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:07:22,659 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-10-16 13:07:23,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:07:23,281 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:07:23,775 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-10-16 13:07:23,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:07:23,895 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:07:23,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23 WrapperNode [2022-10-16 13:07:23,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:07:23,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:07:23,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:07:23,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:07:23,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:23,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,025 INFO L138 Inliner]: procedures = 125, calls = 327, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1090 [2022-10-16 13:07:24,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:07:24,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:07:24,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:07:24,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:07:24,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:07:24,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:07:24,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:07:24,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:07:24,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (1/1) ... [2022-10-16 13:07:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:07:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:24,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:07:24,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:07:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:07:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:07:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:07:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:07:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:07:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:07:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-10-16 13:07:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-10-16 13:07:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-16 13:07:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-10-16 13:07:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-10-16 13:07:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-10-16 13:07:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-16 13:07:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-16 13:07:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:07:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:07:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-16 13:07:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-10-16 13:07:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:07:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:07:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:07:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-16 13:07:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-16 13:07:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:07:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:07:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-10-16 13:07:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-10-16 13:07:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:07:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:07:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:07:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:07:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-10-16 13:07:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-10-16 13:07:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:07:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-16 13:07:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-16 13:07:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-16 13:07:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-16 13:07:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:07:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:07:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:07:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:07:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-16 13:07:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-16 13:07:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-16 13:07:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-16 13:07:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:07:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:07:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:07:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 13:07:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:07:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:07:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:07:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:07:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:07:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:07:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-10-16 13:07:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-10-16 13:07:24,786 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:07:24,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:07:24,920 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:07:26,916 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:07:26,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:07:26,929 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 13:07:26,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:07:26 BoogieIcfgContainer [2022-10-16 13:07:26,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:07:26,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:07:26,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:07:26,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:07:26,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:07:21" (1/3) ... [2022-10-16 13:07:26,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3ff705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:07:26, skipping insertion in model container [2022-10-16 13:07:26,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:07:23" (2/3) ... [2022-10-16 13:07:26,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3ff705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:07:26, skipping insertion in model container [2022-10-16 13:07:26,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:07:26" (3/3) ... [2022-10-16 13:07:26,942 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-10-16 13:07:26,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:07:26,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 13:07:27,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:07:27,051 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;@4160623d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:07:27,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 13:07:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 395 states, 291 states have (on average 1.47766323024055) internal successors, (430), 333 states have internal predecessors, (430), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-16 13:07:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 13:07:27,073 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:27,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:27,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:27,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:27,083 INFO L85 PathProgramCache]: Analyzing trace with hash -929916592, now seen corresponding path program 1 times [2022-10-16 13:07:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:27,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347291086] [2022-10-16 13:07:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 13:07:27,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:27,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347291086] [2022-10-16 13:07:27,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347291086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:27,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:27,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:27,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250904638] [2022-10-16 13:07:27,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:27,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:27,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:27,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:27,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:27,969 INFO L87 Difference]: Start difference. First operand has 395 states, 291 states have (on average 1.47766323024055) internal successors, (430), 333 states have internal predecessors, (430), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:07:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:30,638 INFO L93 Difference]: Finished difference Result 1322 states and 1882 transitions. [2022-10-16 13:07:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:30,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2022-10-16 13:07:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:30,697 INFO L225 Difference]: With dead ends: 1322 [2022-10-16 13:07:30,697 INFO L226 Difference]: Without dead ends: 851 [2022-10-16 13:07:30,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:30,726 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 1146 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:30,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1316 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 13:07:30,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2022-10-16 13:07:30,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 601. [2022-10-16 13:07:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 472 states have (on average 1.402542372881356) internal successors, (662), 505 states have internal predecessors, (662), 65 states have call successors, (65), 34 states have call predecessors, (65), 34 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2022-10-16 13:07:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 792 transitions. [2022-10-16 13:07:30,872 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 792 transitions. Word has length 36 [2022-10-16 13:07:30,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:30,873 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 792 transitions. [2022-10-16 13:07:30,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:07:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 792 transitions. [2022-10-16 13:07:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 13:07:30,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:30,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:30,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:07:30,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:30,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:30,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1289259001, now seen corresponding path program 1 times [2022-10-16 13:07:30,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:30,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921967846] [2022-10-16 13:07:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:30,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 13:07:31,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:31,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921967846] [2022-10-16 13:07:31,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921967846] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:31,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:31,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:31,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918376912] [2022-10-16 13:07:31,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:31,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:31,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:31,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:31,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:31,100 INFO L87 Difference]: Start difference. First operand 601 states and 792 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:07:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:32,851 INFO L93 Difference]: Finished difference Result 1495 states and 2017 transitions. [2022-10-16 13:07:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:07:32,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-10-16 13:07:32,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:32,862 INFO L225 Difference]: With dead ends: 1495 [2022-10-16 13:07:32,862 INFO L226 Difference]: Without dead ends: 917 [2022-10-16 13:07:32,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:07:32,904 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 447 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:32,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1184 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 13:07:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2022-10-16 13:07:32,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 688. [2022-10-16 13:07:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 551 states have (on average 1.4137931034482758) internal successors, (779), 584 states have internal predecessors, (779), 69 states have call successors, (69), 38 states have call predecessors, (69), 38 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2022-10-16 13:07:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 917 transitions. [2022-10-16 13:07:32,978 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 917 transitions. Word has length 40 [2022-10-16 13:07:32,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:32,979 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 917 transitions. [2022-10-16 13:07:32,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:07:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 917 transitions. [2022-10-16 13:07:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 13:07:32,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:32,983 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-16 13:07:32,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:07:32,983 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:32,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:32,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1389624057, now seen corresponding path program 1 times [2022-10-16 13:07:32,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:32,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439830360] [2022-10-16 13:07:32,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:32,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 13:07:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:33,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439830360] [2022-10-16 13:07:33,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439830360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:33,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:33,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994286517] [2022-10-16 13:07:33,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:33,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:33,229 INFO L87 Difference]: Start difference. First operand 688 states and 917 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:07:35,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:36,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:36,784 INFO L93 Difference]: Finished difference Result 1573 states and 2138 transitions. [2022-10-16 13:07:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:07:36,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-10-16 13:07:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:36,792 INFO L225 Difference]: With dead ends: 1573 [2022-10-16 13:07:36,793 INFO L226 Difference]: Without dead ends: 910 [2022-10-16 13:07:36,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:07:36,798 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 319 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 107 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:36,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1211 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 376 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 13:07:36,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-10-16 13:07:36,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 682. [2022-10-16 13:07:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 545 states have (on average 1.4146788990825687) internal successors, (771), 579 states have internal predecessors, (771), 69 states have call successors, (69), 38 states have call predecessors, (69), 38 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2022-10-16 13:07:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 909 transitions. [2022-10-16 13:07:36,873 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 909 transitions. Word has length 55 [2022-10-16 13:07:36,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:36,874 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 909 transitions. [2022-10-16 13:07:36,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:07:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 909 transitions. [2022-10-16 13:07:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 13:07:36,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:36,877 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:36,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:07:36,878 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1906649092, now seen corresponding path program 1 times [2022-10-16 13:07:36,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:36,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054880379] [2022-10-16 13:07:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:36,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:07:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:37,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054880379] [2022-10-16 13:07:37,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054880379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:37,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:37,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:07:37,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64964403] [2022-10-16 13:07:37,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:37,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:37,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:37,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:37,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:37,221 INFO L87 Difference]: Start difference. First operand 682 states and 909 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:07:38,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:07:40,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:40,882 INFO L93 Difference]: Finished difference Result 1778 states and 2447 transitions. [2022-10-16 13:07:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:40,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2022-10-16 13:07:40,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:40,897 INFO L225 Difference]: With dead ends: 1778 [2022-10-16 13:07:40,897 INFO L226 Difference]: Without dead ends: 1768 [2022-10-16 13:07:40,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:40,900 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 1106 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:40,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 1179 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-16 13:07:40,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-10-16 13:07:41,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1307. [2022-10-16 13:07:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1071 states have (on average 1.4014939309056955) internal successors, (1501), 1110 states have internal predecessors, (1501), 133 states have call successors, (133), 73 states have call predecessors, (133), 73 states have return successors, (133), 131 states have call predecessors, (133), 133 states have call successors, (133) [2022-10-16 13:07:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1767 transitions. [2022-10-16 13:07:41,032 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1767 transitions. Word has length 68 [2022-10-16 13:07:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:41,033 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1767 transitions. [2022-10-16 13:07:41,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:07:41,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1767 transitions. [2022-10-16 13:07:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 13:07:41,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:41,044 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-10-16 13:07:41,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:07:41,045 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting eem_tx_fixupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:41,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:41,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1347356393, now seen corresponding path program 1 times [2022-10-16 13:07:41,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:41,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838224296] [2022-10-16 13:07:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:41,131 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:07:41,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983354869] [2022-10-16 13:07:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:41,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:41,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:41,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:41,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:07:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:41,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:07:41,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:07:41,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:07:41,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:41,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838224296] [2022-10-16 13:07:41,507 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:07:41,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983354869] [2022-10-16 13:07:41,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983354869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:41,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:41,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:07:41,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329961325] [2022-10-16 13:07:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:41,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:07:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:41,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:07:41,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:07:41,510 INFO L87 Difference]: Start difference. First operand 1307 states and 1767 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:41,667 INFO L93 Difference]: Finished difference Result 1428 states and 1939 transitions. [2022-10-16 13:07:41,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:07:41,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2022-10-16 13:07:41,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:41,688 INFO L225 Difference]: With dead ends: 1428 [2022-10-16 13:07:41,688 INFO L226 Difference]: Without dead ends: 1424 [2022-10-16 13:07:41,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:07:41,694 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 39 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:41,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 847 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:07:41,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-10-16 13:07:41,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1394. [2022-10-16 13:07:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1159 states have (on average 1.3951682484900776) internal successors, (1617), 1197 states have internal predecessors, (1617), 133 states have call successors, (133), 73 states have call predecessors, (133), 73 states have return successors, (133), 131 states have call predecessors, (133), 133 states have call successors, (133) [2022-10-16 13:07:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1883 transitions. [2022-10-16 13:07:41,818 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1883 transitions. Word has length 75 [2022-10-16 13:07:41,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:41,820 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1883 transitions. [2022-10-16 13:07:41,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1883 transitions. [2022-10-16 13:07:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 13:07:41,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:41,823 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-10-16 13:07:41,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:42,037 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 [2022-10-16 13:07:42,038 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting eem_tx_fixupErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:42,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1181625593, now seen corresponding path program 1 times [2022-10-16 13:07:42,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:42,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007378871] [2022-10-16 13:07:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:42,099 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:07:42,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39193546] [2022-10-16 13:07:42,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:42,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:42,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:42,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:42,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:07:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:42,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:07:42,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:07:42,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:07:42,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:42,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007378871] [2022-10-16 13:07:42,450 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:07:42,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39193546] [2022-10-16 13:07:42,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39193546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:42,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:42,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:07:42,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13273801] [2022-10-16 13:07:42,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:42,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:07:42,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:07:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:07:42,453 INFO L87 Difference]: Start difference. First operand 1394 states and 1883 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:42,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:42,549 INFO L93 Difference]: Finished difference Result 1394 states and 1883 transitions. [2022-10-16 13:07:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:07:42,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2022-10-16 13:07:42,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:42,560 INFO L225 Difference]: With dead ends: 1394 [2022-10-16 13:07:42,561 INFO L226 Difference]: Without dead ends: 1390 [2022-10-16 13:07:42,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:07:42,563 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 37 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:42,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 817 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:07:42,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2022-10-16 13:07:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1390. [2022-10-16 13:07:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1159 states have (on average 1.3744607420189818) internal successors, (1593), 1193 states have internal predecessors, (1593), 133 states have call successors, (133), 73 states have call predecessors, (133), 73 states have return successors, (133), 131 states have call predecessors, (133), 133 states have call successors, (133) [2022-10-16 13:07:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1859 transitions. [2022-10-16 13:07:42,714 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1859 transitions. Word has length 76 [2022-10-16 13:07:42,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:42,715 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 1859 transitions. [2022-10-16 13:07:42,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:42,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1859 transitions. [2022-10-16 13:07:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 13:07:42,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:42,718 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:07:42,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:42,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 13:07:42,933 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash 70834690, now seen corresponding path program 1 times [2022-10-16 13:07:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:42,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790436750] [2022-10-16 13:07:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:42,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:07:43,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:43,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790436750] [2022-10-16 13:07:43,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790436750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:43,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:43,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:43,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656335027] [2022-10-16 13:07:43,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:43,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:43,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:43,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:43,232 INFO L87 Difference]: Start difference. First operand 1390 states and 1859 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:46,368 INFO L93 Difference]: Finished difference Result 4059 states and 5547 transitions. [2022-10-16 13:07:46,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:46,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2022-10-16 13:07:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:46,393 INFO L225 Difference]: With dead ends: 4059 [2022-10-16 13:07:46,393 INFO L226 Difference]: Without dead ends: 2696 [2022-10-16 13:07:46,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:46,405 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 747 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:46,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 1836 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 13:07:46,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2022-10-16 13:07:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2022. [2022-10-16 13:07:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2022 states, 1703 states have (on average 1.372284204345273) internal successors, (2337), 1741 states have internal predecessors, (2337), 187 states have call successors, (187), 107 states have call predecessors, (187), 107 states have return successors, (187), 185 states have call predecessors, (187), 187 states have call successors, (187) [2022-10-16 13:07:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2711 transitions. [2022-10-16 13:07:46,562 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2711 transitions. Word has length 77 [2022-10-16 13:07:46,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:46,563 INFO L495 AbstractCegarLoop]: Abstraction has 2022 states and 2711 transitions. [2022-10-16 13:07:46,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2711 transitions. [2022-10-16 13:07:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 13:07:46,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:46,571 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] [2022-10-16 13:07:46,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:07:46,571 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1601549153, now seen corresponding path program 1 times [2022-10-16 13:07:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:46,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030191954] [2022-10-16 13:07:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:07:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:07:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:07:46,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:46,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030191954] [2022-10-16 13:07:46,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030191954] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:46,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:46,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575077259] [2022-10-16 13:07:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:46,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:46,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:46,913 INFO L87 Difference]: Start difference. First operand 2022 states and 2711 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:07:49,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:49,984 INFO L93 Difference]: Finished difference Result 4276 states and 5824 transitions. [2022-10-16 13:07:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:49,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 80 [2022-10-16 13:07:49,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:50,001 INFO L225 Difference]: With dead ends: 4276 [2022-10-16 13:07:50,001 INFO L226 Difference]: Without dead ends: 2281 [2022-10-16 13:07:50,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:50,010 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 1043 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:50,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1248 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:07:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2022-10-16 13:07:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 1713. [2022-10-16 13:07:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1444 states have (on average 1.3718836565096952) internal successors, (1981), 1480 states have internal predecessors, (1981), 156 states have call successors, (156), 88 states have call predecessors, (156), 88 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2022-10-16 13:07:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2293 transitions. [2022-10-16 13:07:50,118 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2293 transitions. Word has length 80 [2022-10-16 13:07:50,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:50,119 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 2293 transitions. [2022-10-16 13:07:50,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:07:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2293 transitions. [2022-10-16 13:07:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 13:07:50,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:50,122 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-10-16 13:07:50,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:07:50,122 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting eem_tx_fixupErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash -388854387, now seen corresponding path program 1 times [2022-10-16 13:07:50,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:50,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669874236] [2022-10-16 13:07:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:50,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:50,177 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:07:50,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221463056] [2022-10-16 13:07:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:50,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:50,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:50,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:50,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:07:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:07:50,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:07:50,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:07:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:50,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669874236] [2022-10-16 13:07:50,576 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:07:50,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221463056] [2022-10-16 13:07:50,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221463056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:50,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:50,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:07:50,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749600728] [2022-10-16 13:07:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:50,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:07:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:50,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:07:50,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:50,582 INFO L87 Difference]: Start difference. First operand 1713 states and 2293 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:50,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:50,686 INFO L93 Difference]: Finished difference Result 1750 states and 2338 transitions. [2022-10-16 13:07:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:07:50,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 82 [2022-10-16 13:07:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:50,699 INFO L225 Difference]: With dead ends: 1750 [2022-10-16 13:07:50,700 INFO L226 Difference]: Without dead ends: 1747 [2022-10-16 13:07:50,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:07:50,705 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 91 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:50,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 849 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:07:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2022-10-16 13:07:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1600. [2022-10-16 13:07:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1334 states have (on average 1.368815592203898) internal successors, (1826), 1367 states have internal predecessors, (1826), 156 states have call successors, (156), 88 states have call predecessors, (156), 88 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2022-10-16 13:07:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2138 transitions. [2022-10-16 13:07:50,811 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2138 transitions. Word has length 82 [2022-10-16 13:07:50,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:50,813 INFO L495 AbstractCegarLoop]: Abstraction has 1600 states and 2138 transitions. [2022-10-16 13:07:50,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:07:50,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2138 transitions. [2022-10-16 13:07:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:07:50,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:50,816 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 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] [2022-10-16 13:07:50,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:07:51,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:51,032 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:51,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1115225233, now seen corresponding path program 1 times [2022-10-16 13:07:51,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:51,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632484750] [2022-10-16 13:07:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 13:07:51,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:51,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632484750] [2022-10-16 13:07:51,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632484750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:07:51,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:07:51,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:07:51,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683297174] [2022-10-16 13:07:51,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:07:51,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:07:51,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:07:51,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:07:51,359 INFO L87 Difference]: Start difference. First operand 1600 states and 2138 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:07:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:53,953 INFO L93 Difference]: Finished difference Result 5091 states and 6938 transitions. [2022-10-16 13:07:53,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:07:53,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2022-10-16 13:07:53,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:53,978 INFO L225 Difference]: With dead ends: 5091 [2022-10-16 13:07:53,978 INFO L226 Difference]: Without dead ends: 3533 [2022-10-16 13:07:53,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:07:53,987 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 1039 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:53,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1256 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 13:07:53,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3533 states. [2022-10-16 13:07:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3533 to 2537. [2022-10-16 13:07:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2114 states have (on average 1.3547776726584673) internal successors, (2864), 2156 states have internal predecessors, (2864), 250 states have call successors, (250), 151 states have call predecessors, (250), 151 states have return successors, (250), 247 states have call predecessors, (250), 250 states have call successors, (250) [2022-10-16 13:07:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3364 transitions. [2022-10-16 13:07:54,158 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3364 transitions. Word has length 81 [2022-10-16 13:07:54,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:07:54,159 INFO L495 AbstractCegarLoop]: Abstraction has 2537 states and 3364 transitions. [2022-10-16 13:07:54,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:07:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3364 transitions. [2022-10-16 13:07:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 13:07:54,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:07:54,161 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 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] [2022-10-16 13:07:54,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:07:54,162 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:07:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:07:54,163 INFO L85 PathProgramCache]: Analyzing trace with hash 70451675, now seen corresponding path program 1 times [2022-10-16 13:07:54,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:07:54,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572597513] [2022-10-16 13:07:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:07:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:07:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:07:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:07:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:07:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:07:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:07:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:07:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:07:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:07:54,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:07:54,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572597513] [2022-10-16 13:07:54,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572597513] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:07:54,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929466728] [2022-10-16 13:07:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:07:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:07:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:07:54,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:07:54,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:07:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:07:54,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:07:54,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:07:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 13:07:54,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:07:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:07:55,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929466728] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:07:55,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:07:55,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:07:55,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359528453] [2022-10-16 13:07:55,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:07:55,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:07:55,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:07:55,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:07:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:07:55,019 INFO L87 Difference]: Start difference. First operand 2537 states and 3364 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 13:07:59,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:07:59,754 INFO L93 Difference]: Finished difference Result 8853 states and 12117 transitions. [2022-10-16 13:07:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 13:07:59,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 82 [2022-10-16 13:07:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:07:59,823 INFO L225 Difference]: With dead ends: 8853 [2022-10-16 13:07:59,823 INFO L226 Difference]: Without dead ends: 8848 [2022-10-16 13:07:59,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=217, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:07:59,831 INFO L413 NwaCegarLoop]: 506 mSDtfsCounter, 4742 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 1214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4878 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1214 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:07:59,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4878 Valid, 2123 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1214 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 13:07:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2022-10-16 13:08:00,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 4151. [2022-10-16 13:08:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4151 states, 3470 states have (on average 1.3412103746397694) internal successors, (4654), 3523 states have internal predecessors, (4654), 414 states have call successors, (414), 248 states have call predecessors, (414), 248 states have return successors, (414), 409 states have call predecessors, (414), 414 states have call successors, (414) [2022-10-16 13:08:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 4151 states and 5482 transitions. [2022-10-16 13:08:00,272 INFO L78 Accepts]: Start accepts. Automaton has 4151 states and 5482 transitions. Word has length 82 [2022-10-16 13:08:00,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:00,273 INFO L495 AbstractCegarLoop]: Abstraction has 4151 states and 5482 transitions. [2022-10-16 13:08:00,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 7 states have internal predecessors, (118), 6 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-10-16 13:08:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4151 states and 5482 transitions. [2022-10-16 13:08:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:08:00,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:00,277 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 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] [2022-10-16 13:08:00,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:00,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:00,493 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:08:00,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:00,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2110964863, now seen corresponding path program 1 times [2022-10-16 13:08:00,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:00,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138148315] [2022-10-16 13:08:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:00,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:08:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:08:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:08:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:08:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:08:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:08:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:08:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:08:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 13:08:00,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:00,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138148315] [2022-10-16 13:08:00,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138148315] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:08:00,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431161072] [2022-10-16 13:08:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:00,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:00,850 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:00,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:08:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:01,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:08:01,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-16 13:08:01,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:08:01,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431161072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:01,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:08:01,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:08:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205930242] [2022-10-16 13:08:01,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:01,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:01,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:01,258 INFO L87 Difference]: Start difference. First operand 4151 states and 5482 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 13:08:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:02,538 INFO L93 Difference]: Finished difference Result 7710 states and 10196 transitions. [2022-10-16 13:08:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:08:02,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2022-10-16 13:08:02,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:02,576 INFO L225 Difference]: With dead ends: 7710 [2022-10-16 13:08:02,576 INFO L226 Difference]: Without dead ends: 7705 [2022-10-16 13:08:02,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:02,582 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 809 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:02,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1540 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 13:08:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7705 states. [2022-10-16 13:08:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7705 to 6836. [2022-10-16 13:08:03,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6836 states, 5729 states have (on average 1.3445627509163902) internal successors, (7703), 5805 states have internal predecessors, (7703), 678 states have call successors, (678), 410 states have call predecessors, (678), 410 states have return successors, (678), 670 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-16 13:08:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6836 states to 6836 states and 9059 transitions. [2022-10-16 13:08:03,096 INFO L78 Accepts]: Start accepts. Automaton has 6836 states and 9059 transitions. Word has length 83 [2022-10-16 13:08:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:03,097 INFO L495 AbstractCegarLoop]: Abstraction has 6836 states and 9059 transitions. [2022-10-16 13:08:03,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-16 13:08:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 6836 states and 9059 transitions. [2022-10-16 13:08:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:08:03,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:03,100 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-10-16 13:08:03,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:03,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 13:08:03,313 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting eem_tx_fixupErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:08:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1267242119, now seen corresponding path program 1 times [2022-10-16 13:08:03,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:03,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826965022] [2022-10-16 13:08:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:03,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:03,369 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:08:03,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154691527] [2022-10-16 13:08:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:03,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:03,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:03,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:03,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:08:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:03,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:08:03,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 13:08:03,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:08:03,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:03,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826965022] [2022-10-16 13:08:03,904 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:08:03,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154691527] [2022-10-16 13:08:03,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154691527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:03,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:03,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:08:03,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392201009] [2022-10-16 13:08:03,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:03,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:08:03,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:03,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:08:03,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:08:03,906 INFO L87 Difference]: Start difference. First operand 6836 states and 9059 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:08:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:04,476 INFO L93 Difference]: Finished difference Result 7488 states and 9809 transitions. [2022-10-16 13:08:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:08:04,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 88 [2022-10-16 13:08:04,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:04,504 INFO L225 Difference]: With dead ends: 7488 [2022-10-16 13:08:04,504 INFO L226 Difference]: Without dead ends: 7487 [2022-10-16 13:08:04,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:08:04,510 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 48 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:04,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 1298 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:08:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2022-10-16 13:08:05,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 6986. [2022-10-16 13:08:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6986 states, 5879 states have (on average 1.3357713896921246) internal successors, (7853), 5955 states have internal predecessors, (7853), 678 states have call successors, (678), 410 states have call predecessors, (678), 410 states have return successors, (678), 670 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-16 13:08:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6986 states to 6986 states and 9209 transitions. [2022-10-16 13:08:05,228 INFO L78 Accepts]: Start accepts. Automaton has 6986 states and 9209 transitions. Word has length 88 [2022-10-16 13:08:05,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:05,229 INFO L495 AbstractCegarLoop]: Abstraction has 6986 states and 9209 transitions. [2022-10-16 13:08:05,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 13:08:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6986 states and 9209 transitions. [2022-10-16 13:08:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:08:05,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:05,233 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-10-16 13:08:05,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 13:08:05,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:05,449 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting eem_tx_fixupErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:08:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:05,450 INFO L85 PathProgramCache]: Analyzing trace with hash 507765243, now seen corresponding path program 1 times [2022-10-16 13:08:05,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:05,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912027027] [2022-10-16 13:08:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:05,505 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:08:05,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995117496] [2022-10-16 13:08:05,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:05,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:05,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:08:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:05,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:08:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 13:08:05,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:08:05,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912027027] [2022-10-16 13:08:05,924 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:08:05,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995117496] [2022-10-16 13:08:05,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995117496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:08:05,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:08:05,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:08:05,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661676286] [2022-10-16 13:08:05,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:08:05,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:08:05,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:08:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:08:05,926 INFO L87 Difference]: Start difference. First operand 6986 states and 9209 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:08:06,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:06,290 INFO L93 Difference]: Finished difference Result 13955 states and 18400 transitions. [2022-10-16 13:08:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:08:06,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2022-10-16 13:08:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:06,320 INFO L225 Difference]: With dead ends: 13955 [2022-10-16 13:08:06,320 INFO L226 Difference]: Without dead ends: 6987 [2022-10-16 13:08:06,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:08:06,343 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 2 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:06,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1284 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:08:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6987 states. [2022-10-16 13:08:06,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6987 to 6987. [2022-10-16 13:08:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6987 states, 5880 states have (on average 1.3357142857142856) internal successors, (7854), 5956 states have internal predecessors, (7854), 678 states have call successors, (678), 410 states have call predecessors, (678), 410 states have return successors, (678), 670 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-16 13:08:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6987 states to 6987 states and 9210 transitions. [2022-10-16 13:08:06,917 INFO L78 Accepts]: Start accepts. Automaton has 6987 states and 9210 transitions. Word has length 88 [2022-10-16 13:08:06,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:06,917 INFO L495 AbstractCegarLoop]: Abstraction has 6987 states and 9210 transitions. [2022-10-16 13:08:06,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:08:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 6987 states and 9210 transitions. [2022-10-16 13:08:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:08:06,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:06,921 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] [2022-10-16 13:08:06,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:07,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:07,134 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting eem_tx_fixupErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:08:07,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:07,136 INFO L85 PathProgramCache]: Analyzing trace with hash 722593507, now seen corresponding path program 1 times [2022-10-16 13:08:07,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:07,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046097372] [2022-10-16 13:08:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:07,192 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:08:07,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804653013] [2022-10-16 13:08:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:07,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:07,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:07,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:08:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:08:07,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:08:07,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:08:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:08:07,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:08:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 13:08:07,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:08:07,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046097372] [2022-10-16 13:08:07,731 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:08:07,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804653013] [2022-10-16 13:08:07,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804653013] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:08:07,731 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:08:07,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-10-16 13:08:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674071799] [2022-10-16 13:08:07,732 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:08:07,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:08:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:08:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:08:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:08:07,733 INFO L87 Difference]: Start difference. First operand 6987 states and 9210 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:08:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:08:08,204 INFO L93 Difference]: Finished difference Result 13961 states and 18409 transitions. [2022-10-16 13:08:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:08:08,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 90 [2022-10-16 13:08:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:08:08,228 INFO L225 Difference]: With dead ends: 13961 [2022-10-16 13:08:08,228 INFO L226 Difference]: Without dead ends: 6990 [2022-10-16 13:08:08,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:08:08,246 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 9 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:08:08,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1711 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:08:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6990 states. [2022-10-16 13:08:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6990 to 6990. [2022-10-16 13:08:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 5883 states have (on average 1.3355430902600713) internal successors, (7857), 5959 states have internal predecessors, (7857), 678 states have call successors, (678), 410 states have call predecessors, (678), 410 states have return successors, (678), 670 states have call predecessors, (678), 678 states have call successors, (678) [2022-10-16 13:08:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9213 transitions. [2022-10-16 13:08:08,700 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9213 transitions. Word has length 90 [2022-10-16 13:08:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:08:08,701 INFO L495 AbstractCegarLoop]: Abstraction has 6990 states and 9213 transitions. [2022-10-16 13:08:08,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:08:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9213 transitions. [2022-10-16 13:08:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 13:08:08,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:08:08,704 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 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] [2022-10-16 13:08:08,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 13:08:08,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 13:08:08,919 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting eem_tx_fixupErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 13:08:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:08:08,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2024063877, now seen corresponding path program 2 times [2022-10-16 13:08:08,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:08:08,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946725056] [2022-10-16 13:08:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:08:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:08:08,982 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:08:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701706439] [2022-10-16 13:08:08,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:08:08,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:08:08,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:08:08,984 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:08:09,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 13:08:41,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:08:41,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-10-16 13:08:41,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 13:09:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 13:10:00,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 13:10:00,210 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 13:10:00,211 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location eem_tx_fixupErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 34 remaining) [2022-10-16 13:10:00,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 34 remaining) [2022-10-16 13:10:00,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 34 remaining) [2022-10-16 13:10:00,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 34 remaining) [2022-10-16 13:10:00,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 34 remaining) [2022-10-16 13:10:00,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 34 remaining) [2022-10-16 13:10:00,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 34 remaining) [2022-10-16 13:10:00,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 34 remaining) [2022-10-16 13:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 34 remaining) [2022-10-16 13:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 34 remaining) [2022-10-16 13:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_set_removeErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 34 remaining) [2022-10-16 13:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_rx_fixupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 34 remaining) [2022-10-16 13:10:00,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_rx_fixupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 34 remaining) [2022-10-16 13:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 34 remaining) [2022-10-16 13:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 34 remaining) [2022-10-16 13:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 34 remaining) [2022-10-16 13:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 34 remaining) [2022-10-16 13:10:00,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 34 remaining) [2022-10-16 13:10:00,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 34 remaining) [2022-10-16 13:10:00,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 34 remaining) [2022-10-16 13:10:00,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 34 remaining) [2022-10-16 13:10:00,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 34 remaining) [2022-10-16 13:10:00,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 34 remaining) [2022-10-16 13:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 34 remaining) [2022-10-16 13:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 34 remaining) [2022-10-16 13:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 34 remaining) [2022-10-16 13:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 34 remaining) [2022-10-16 13:10:00,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 34 remaining) [2022-10-16 13:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 34 remaining) [2022-10-16 13:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 34 remaining) [2022-10-16 13:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 34 remaining) [2022-10-16 13:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 34 remaining) [2022-10-16 13:10:00,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 34 remaining) [2022-10-16 13:10:00,221 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location eem_tx_fixupErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 34 remaining) [2022-10-16 13:10:00,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-16 13:10:00,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 13:10:00,441 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:10:00,446 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 13:10:00,479 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-10-16 13:10:00,483 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-10-16 13:10:00,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:10:00 BoogieIcfgContainer [2022-10-16 13:10:00,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 13:10:00,661 INFO L158 Benchmark]: Toolchain (without parser) took 159053.53ms. Allocated memory was 169.9MB in the beginning and 664.8MB in the end (delta: 494.9MB). Free memory was 136.8MB in the beginning and 232.9MB in the end (delta: -96.2MB). Peak memory consumption was 399.4MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,661 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:10:00,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2283.10ms. Allocated memory was 169.9MB in the beginning and 293.6MB in the end (delta: 123.7MB). Free memory was 136.5MB in the beginning and 245.4MB in the end (delta: -108.8MB). Peak memory consumption was 109.8MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.49ms. Allocated memory is still 293.6MB. Free memory was 245.4MB in the beginning and 237.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,662 INFO L158 Benchmark]: Boogie Preprocessor took 151.07ms. Allocated memory is still 293.6MB. Free memory was 237.5MB in the beginning and 230.1MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,666 INFO L158 Benchmark]: RCFGBuilder took 2751.20ms. Allocated memory is still 293.6MB. Free memory was 229.6MB in the beginning and 216.1MB in the end (delta: 13.5MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,666 INFO L158 Benchmark]: TraceAbstraction took 153725.48ms. Allocated memory was 293.6MB in the beginning and 664.8MB in the end (delta: 371.2MB). Free memory was 215.6MB in the beginning and 232.9MB in the end (delta: -17.3MB). Peak memory consumption was 354.2MB. Max. memory is 8.0GB. [2022-10-16 13:10:00,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2283.10ms. Allocated memory was 169.9MB in the beginning and 293.6MB in the end (delta: 123.7MB). Free memory was 136.5MB in the beginning and 245.4MB in the end (delta: -108.8MB). Peak memory consumption was 109.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 128.49ms. Allocated memory is still 293.6MB. Free memory was 245.4MB in the beginning and 237.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 151.07ms. Allocated memory is still 293.6MB. Free memory was 237.5MB in the beginning and 230.1MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2751.20ms. Allocated memory is still 293.6MB. Free memory was 229.6MB in the beginning and 216.1MB in the end (delta: 13.5MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB. * TraceAbstraction took 153725.48ms. Allocated memory was 293.6MB in the beginning and 664.8MB in the end (delta: 371.2MB). Free memory was 215.6MB in the beginning and 232.9MB in the end (delta: -17.3MB). Peak memory consumption was 354.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5894]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 6081. Possible FailurePath: [L5704] int LDV_IN_INTERRUPT = 1; [L5705] int ldv_state_variable_2 ; [L5706] int ref_cnt ; [L5707] struct usb_interface *eem_driver_group1 ; [L5708] int ldv_state_variable_1 ; [L5709] struct sk_buff *eem_info_group1 ; [L5710] int usb_counter ; [L5711] struct usbnet *eem_info_group0 ; [L5712] int ldv_state_variable_0 ; [L6060-L6062] static struct driver_info const eem_info = {(char *)"CDC EEM Device", 4128, & eem_bind, 0, 0, 0, 0, 0, 0, 0, & eem_rx_fixup, & eem_tx_fixup, 0, 0, 0, 0, 0UL}; [L6063-L6065] static struct usb_device_id const products[2U] = { {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 12U, 7U, (unsigned char)0, (unsigned long )(& eem_info)}}; [L6066] struct usb_device_id const __mod_usb__products_device_table ; [L6067-L6076] static struct usb_driver eem_driver = {"cdc_eem", & usbnet_probe, & usbnet_disconnect, 0, & usbnet_suspend, & usbnet_resume, 0, 0, 0, (struct usb_device_id const *)(& products), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L6093] int ldv_retval_2 ; [L6094] int ldv_retval_5 ; [L6095] int ldv_retval_0 ; [L6096] int ldv_retval_4 ; [L6099] int ldv_retval_1 ; [L6101] int ldv_retval_3 ; [L6374] Element set_impl[15] ; [L6375] int last_index = 0; [L6509] Set LDV_SKBS ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6125] struct usb_device_id *ldvarg1 ; [L6126] void *tmp ; [L6127] pm_message_t ldvarg0 ; [L6128] struct usb_interface *ldvarg3 ; [L6129] void *tmp___0 ; [L6130] gfp_t ldvarg2 ; [L6131] int tmp___1 ; [L6132] int tmp___2 ; [L6133] int tmp___3 ; [L6134] int tmp___4 ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg2={21:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6136] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5646] void *p ; [L5647] void *tmp ; [L5648] int tmp___0 ; [L5650] tmp___0 = __VERIFIER_nondet_int() [L5651] COND TRUE tmp___0 != 0 [L5652] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, size=32, tmp___0=2147483647, usb_counter=0] [L6136] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={19:0}, ldvarg2={21:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6136] tmp = ldv_zalloc(32UL) [L6137] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, usb_counter=0] [L6138] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5646] void *p ; [L5647] void *tmp ; [L5648] int tmp___0 ; [L5650] tmp___0 = __VERIFIER_nondet_int() [L5651] COND TRUE tmp___0 != 0 [L5652] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, size=1560, tmp___0=2147483647, usb_counter=0] [L6138] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, usb_counter=0] [L6138] tmp___0 = ldv_zalloc(1560UL) [L6139] ldvarg3 = (struct usb_interface *)tmp___0 [L6140] CALL ldv_initialize() [L6528] CALL ldv_set_init(LDV_SKBS) [L6380] set = set_impl [L6381] last_index = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set={0:0}, set={16:0}, set_impl={16:0}, usb_counter=0] [L6528] RET ldv_set_init(LDV_SKBS) [L6140] RET ldv_initialize() [L6141] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={19:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L6142] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={21:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L6143] ldv_state_variable_1 = 0 [L6144] ref_cnt = 0 [L6145] ldv_state_variable_0 = 1 [L6146] ldv_state_variable_2 = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L6148] tmp___1 = __VERIFIER_nondet_int() [L6150] case 0: [L6216] case 1: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, usb_counter=0] [L6217] COND TRUE ldv_state_variable_0 != 0 [L6218] tmp___3 = __VERIFIER_nondet_int() [L6220] case 0: [L6228] case 1: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0] [L6229] COND TRUE ldv_state_variable_0 == 1 [L6230] CALL, EXPR eem_driver_init() [L6079] int tmp ; [L6081] CALL, EXPR ldv_usb_register_driver_12(& eem_driver, & __this_module, "cdc_eem") [L6354] ldv_func_ret_type ldv_func_res ; [L6355] int tmp ; [L6357] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6646] return __VERIFIER_nondet_int(); [L6357] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6357] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L6358] ldv_func_res = tmp [L6359] ldv_state_variable_1 = 1 [L6360] usb_counter = 0 [L6361] CALL ldv_usb_driver_1() [L6116] void *tmp ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6118] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5646] void *p ; [L5647] void *tmp ; [L5648] int tmp___0 ; [L5650] tmp___0 = __VERIFIER_nondet_int() [L5651] COND TRUE tmp___0 != 0 [L5652] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, size=1560, tmp___0=-2147483648, usb_counter=0] [L6118] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6118] tmp = ldv_zalloc(1560UL) [L6119] eem_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, usb_counter=0] [L6361] RET ldv_usb_driver_1() [L6362] return (ldv_func_res); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, ldv_func_arg1={15:0}, ldv_func_arg1={15:0}, ldv_func_arg2={77:78}, ldv_func_arg2={77:78}, ldv_func_arg3={12:0}, ldv_func_arg3={12:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp=0, usb_counter=0] [L6081] RET, EXPR ldv_usb_register_driver_12(& eem_driver, & __this_module, "cdc_eem") [L6081] tmp = ldv_usb_register_driver_12(& eem_driver, & __this_module, "cdc_eem") [L6082] return (tmp); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp=0, usb_counter=0] [L6230] RET, EXPR eem_driver_init() [L6230] ldv_retval_4 = eem_driver_init() [L6231] COND TRUE ldv_retval_4 == 0 [L6232] ldv_state_variable_0 = 3 [L6233] ldv_state_variable_2 = 1 [L6234] CALL ldv_initialize_driver_info_2() [L6104] void *tmp ; [L6105] void *tmp___0 ; VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6107] CALL, EXPR ldv_zalloc(1472UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5646] void *p ; [L5647] void *tmp ; [L5648] int tmp___0 ; [L5650] tmp___0 = __VERIFIER_nondet_int() [L5651] COND TRUE tmp___0 != 0 [L5652] return ((void *)0); VAL [\old(size)=1472, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, size=1472, tmp___0=-2147483648, usb_counter=0] [L6107] RET, EXPR ldv_zalloc(1472UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(1472UL)={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L6107] tmp = ldv_zalloc(1472UL) [L6108] eem_info_group0 = (struct usbnet *)tmp VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, usb_counter=0] [L6109] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5646] void *p ; [L5647] void *tmp ; [L5648] int tmp___0 ; [L5650] tmp___0 = __VERIFIER_nondet_int() [L5651] COND TRUE tmp___0 != 0 [L5652] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, size=232, tmp___0=1, usb_counter=0] [L6109] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(232UL)={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, usb_counter=0] [L6109] tmp___0 = ldv_zalloc(232UL) [L6110] eem_info_group1 = (struct sk_buff *)tmp___0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L6234] RET ldv_initialize_driver_info_2() [L6237] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=1, tmp___3=1, usb_counter=0] [L6148] tmp___1 = __VERIFIER_nondet_int() [L6150] case 0: [L6216] case 1: [L6252] case 2: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, usb_counter=0] [L6253] COND TRUE ldv_state_variable_2 != 0 [L6254] tmp___4 = __VERIFIER_nondet_int() [L6256] case 0: [L6268] case 1: [L6279] case 2: VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=2, usb_counter=0] [L6280] COND TRUE ldv_state_variable_2 == 1 [L6281] EXPR \read(ldvarg2) VAL [\read(ldvarg2)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={19:0}, ldvarg1={0:0}, ldvarg2={21:0}, ldvarg3={0:0}, products={14:0}, ref_cnt=0, set_impl={16:0}, tmp={0:0}, tmp___0={0:0}, tmp___1=2, tmp___3=1, tmp___4=2, usb_counter=0] [L6281] CALL eem_tx_fixup(eem_info_group0, eem_info_group1, ldvarg2) VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, usb_counter=0] [L5862] struct sk_buff *skb2 ; [L5863] u16 len ; [L5864] u32 crc ; [L5865] int padlen ; [L5866] int headroom ; [L5867] unsigned int tmp ; [L5868] int tailroom ; [L5869] int tmp___0 ; [L5870] void *tmp___1 ; [L5871] int tmp___2 ; [L5872] unsigned char *tmp___3 ; [L5873] unsigned char *tmp___4 ; [L5874] unsigned char *tmp___5 ; [L5876] skb2 = (struct sk_buff *)0 [L5877] EXPR skb->len [L5877] len = (u16 )skb->len [L5878] crc = 0U [L5879] padlen = 0 VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, usb_counter=0] [L5880] EXPR (int )len + 6 [L5880] EXPR dev->maxpacket VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, dev->maxpacket=-4294967296, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, usb_counter=0] [L5880] COND FALSE !((unsigned int )((int )len + 6) % dev->maxpacket == 0U) [L5884] CALL, EXPR skb_cloned((struct sk_buff const *)skb) [L5561] unsigned char *tmp ; [L5562] int tmp___0 ; [L5563] int tmp___1 ; [L5565] EXPR (unsigned char *)skb + 124UL VAL [(unsigned char *)skb + 124UL=4294967552, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, usb_counter=0] [L5565] COND FALSE !((unsigned int )*((unsigned char *)skb + 124UL) != 0U) [L5574] tmp___1 = 0 VAL [__mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, tmp___1=0, usb_counter=0] [L5576] return (tmp___1); VAL [\result=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, tmp___1=0, usb_counter=0] [L5884] RET, EXPR skb_cloned((struct sk_buff const *)skb) [L5884] tmp___2 = skb_cloned((struct sk_buff const *)skb) [L5885] COND TRUE tmp___2 == 0 [L5886] CALL, EXPR skb_headroom((struct sk_buff const *)skb) [L5606] EXPR skb->data [L5606] EXPR skb->head [L5606] return ((unsigned int )((long )skb->data) - (unsigned int )((long )skb->head)); [L5886] RET, EXPR skb_headroom((struct sk_buff const *)skb) [L5886] tmp = skb_headroom((struct sk_buff const *)skb) [L5887] headroom = (int )tmp [L5888] CALL, EXPR skb_tailroom((struct sk_buff const *)skb) [L5611] bool tmp ; [L5613] CALL, EXPR skb_is_nonlinear(skb) [L5582] EXPR skb->data_len [L5582] return ((unsigned int )skb->data_len != 0U); [L5613] RET, EXPR skb_is_nonlinear(skb) [L5613] tmp = skb_is_nonlinear(skb) [L5614] EXPR (int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail) [L5614] EXPR skb->end [L5614] EXPR skb->tail [L5614] EXPR (int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail) VAL [(int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)=2147483647, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb->end=8, skb->tail=-6442450935, tmp=0, usb_counter=0] [L5614] return ((int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)); [L5888] RET, EXPR skb_tailroom((struct sk_buff const *)skb) [L5888] tmp___0 = skb_tailroom((struct sk_buff const *)skb) [L5889] tailroom = tmp___0 VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, headroom=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, tailroom=2147483647, tmp=1, tmp___0=2147483647, tmp___2=0, usb_counter=0] [L5890] EXPR padlen + 4 VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, headroom=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, tailroom=2147483647, tmp=1, tmp___0=2147483647, tmp___2=0, usb_counter=0] [L5890] COND FALSE !(padlen + 4 <= tailroom && headroom > 1) VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, headroom=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, tailroom=2147483647, tmp=1, tmp___0=2147483647, tmp___2=0, usb_counter=0] [L5894] headroom + tailroom VAL [\old(flags)=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __mod_usb__products_device_table=0, __this_module={77:78}, crc=0, dev={0:0}, dev={0:0}, eem_driver={15:0}, eem_driver_group1={0:0}, eem_info={13:0}, eem_info_group0={0:0}, eem_info_group1={0:0}, flags=0, headroom=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, len=65535, padlen=0, products={14:0}, ref_cnt=0, set_impl={16:0}, skb={0:0}, skb={0:0}, skb2={0:0}, tailroom=2147483647, tmp=1, tmp___0=2147483647, tmp___2=0, usb_counter=0] - UnprovableResult [Line: 6428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6431]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6431]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6437]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6437]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6438]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6438]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6440]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6440]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6159]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6159]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6169]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6169]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6273]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6273]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6295]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6295]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5880]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5880]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5881]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5881]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5890]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5890]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5894]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5894]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5894]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5903]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5903]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 396 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 153.4s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 12009 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11624 mSDsluCounter, 19699 SdHoareTripleChecker+Invalid, 22.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12364 mSDsCounter, 2843 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5478 IncrementalHoareTripleChecker+Invalid, 8322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2843 mSolverCounterUnsat, 7335 mSDtfsCounter, 5478 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 938 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6990occurred in iteration=15, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 9650 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 34.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1362 NumberOfCodeBlocks, 1362 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1419 ConstructedInterpolants, 0 QuantifiedInterpolants, 2661 SizeOfPredicates, 5 NumberOfNonLiveVariables, 7724 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 803/835 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 13:10:00,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...