/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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:12:51,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:12:51,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:12:51,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:12:51,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:12:51,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:12:51,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:12:51,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:12:51,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:12:51,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:12:51,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:12:51,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:12:51,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:12:51,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:12:51,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:12:51,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:12:51,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:12:51,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:12:51,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:12:51,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:12:51,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:12:51,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:12:51,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:12:51,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:12:51,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:12:51,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:12:51,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:12:51,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:12:51,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:12:51,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:12:51,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:12:51,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:12:51,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:12:51,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:12:51,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:12:51,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:12:51,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:12:51,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:12:51,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:12:51,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:12:51,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:12:51,604 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 13:12:51,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:12:51,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:12:51,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:12:51,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:12:51,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:12:51,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:12:51,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:12:51,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:12:51,653 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:12:51,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:12:51,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:12:51,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:12:51,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:12:51,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:12:51,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:12:51,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:12:51,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:12:51,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:12:51,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:12:51,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:12:51,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:12:51,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:12:51,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:12:51,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:12:51,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:12:51,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:12:51,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:12:51,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:12:51,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:12:51,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:12:52,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:12:52,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:12:52,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:12:52,032 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:12:52,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2022-10-16 13:12:52,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d41cbd/47104095589443daa6974f3050c128e9/FLAG4bfd15e96 [2022-10-16 13:12:53,074 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:12:53,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2022-10-16 13:12:53,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d41cbd/47104095589443daa6974f3050c128e9/FLAG4bfd15e96 [2022-10-16 13:12:53,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3d41cbd/47104095589443daa6974f3050c128e9 [2022-10-16 13:12:53,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:12:53,529 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:12:53,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:12:53,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:12:53,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:12:53,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:12:53" (1/1) ... [2022-10-16 13:12:53,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e727a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:53, skipping insertion in model container [2022-10-16 13:12:53,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:12:53" (1/1) ... [2022-10-16 13:12:53,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:12:53,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:12:54,541 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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2022-10-16 13:12:55,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:12:55,125 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:12:55,281 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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i[152029,152042] [2022-10-16 13:12:55,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:12:55,461 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:12:55,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55 WrapperNode [2022-10-16 13:12:55,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:12:55,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:12:55,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:12:55,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:12:55,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,651 INFO L138 Inliner]: procedures = 134, calls = 555, calls flagged for inlining = 53, calls inlined = 50, statements flattened = 1673 [2022-10-16 13:12:55,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:12:55,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:12:55,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:12:55,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:12:55,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:12:55,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:12:55,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:12:55,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:12:55,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (1/1) ... [2022-10-16 13:12:55,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:12:55,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:12:55,940 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 13:12:55,959 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 13:12:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_hard_header [2022-10-16 13:12:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_hard_header [2022-10-16 13:12:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:12:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:12:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_rx [2022-10-16 13:12:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_rx [2022-10-16 13:12:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:12:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_type_trans [2022-10-16 13:12:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_type_trans [2022-10-16 13:12:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-16 13:12:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-16 13:12:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:12:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:12:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:12:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:12:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:12:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-16 13:12:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-16 13:12:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:12:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:12:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-10-16 13:12:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-10-16 13:12:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:12:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:12:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-10-16 13:12:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-10-16 13:12:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-16 13:12:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-16 13:12:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:12:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:12:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:12:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:12:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:12:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_flush [2022-10-16 13:12:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_flush [2022-10-16 13:12:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-16 13:12:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-16 13:12:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:12:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:12:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:12:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:12:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:12:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:12:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:12:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:12:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_ppp [2022-10-16 13:12:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ppp [2022-10-16 13:12:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:12:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:12:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_proto [2022-10-16 13:12:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_proto [2022-10-16 13:12:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 13:12:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-16 13:12:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-16 13:12:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_tx_cp [2022-10-16 13:12:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_tx_cp [2022-10-16 13:12:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:12:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:12:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:12:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:12:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:12:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:12:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:12:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cp_event [2022-10-16 13:12:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cp_event [2022-10-16 13:12:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:12:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 13:12:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 13:12:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 13:12:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 13:12:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 13:12:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-10-16 13:12:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-10-16 13:12:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure proto_name [2022-10-16 13:12:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_name [2022-10-16 13:12:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:12:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-10-16 13:12:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-10-16 13:12:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:12:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:12:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:12:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:12:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:12:56,468 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:12:56,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:12:57,131 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:12:58,085 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:12:58,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:12:58,100 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:12:58,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:12:58 BoogieIcfgContainer [2022-10-16 13:12:58,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:12:58,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:12:58,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:12:58,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:12:58,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:12:53" (1/3) ... [2022-10-16 13:12:58,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c364c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:12:58, skipping insertion in model container [2022-10-16 13:12:58,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:12:55" (2/3) ... [2022-10-16 13:12:58,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c364c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:12:58, skipping insertion in model container [2022-10-16 13:12:58,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:12:58" (3/3) ... [2022-10-16 13:12:58,112 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_ppp.ko-entry_point.cil.out.i [2022-10-16 13:12:58,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:12:58,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 13:12:58,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:12:58,260 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;@41b88199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:12:58,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 13:12:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 648 states, 461 states have (on average 1.4468546637744035) internal successors, (667), 509 states have internal predecessors, (667), 126 states have call successors, (126), 33 states have call predecessors, (126), 32 states have return successors, (122), 115 states have call predecessors, (122), 122 states have call successors, (122) [2022-10-16 13:12:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 13:12:58,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:58,288 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:58,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:12:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:58,294 INFO L85 PathProgramCache]: Analyzing trace with hash 660400524, now seen corresponding path program 1 times [2022-10-16 13:12:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:58,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489628220] [2022-10-16 13:12:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:12:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:12:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:12:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:12:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 13:12:58,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:58,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489628220] [2022-10-16 13:12:58,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489628220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:58,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:12:58,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:12:58,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635361442] [2022-10-16 13:12:58,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:58,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:12:58,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:58,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:12:58,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:12:58,971 INFO L87 Difference]: Start difference. First operand has 648 states, 461 states have (on average 1.4468546637744035) internal successors, (667), 509 states have internal predecessors, (667), 126 states have call successors, (126), 33 states have call predecessors, (126), 32 states have return successors, (122), 115 states have call predecessors, (122), 122 states have call successors, (122) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 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 13:13:00,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:00,868 INFO L93 Difference]: Finished difference Result 1750 states and 2626 transitions. [2022-10-16 13:13:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:00,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 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 50 [2022-10-16 13:13:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:00,902 INFO L225 Difference]: With dead ends: 1750 [2022-10-16 13:13:00,902 INFO L226 Difference]: Without dead ends: 1070 [2022-10-16 13:13:00,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 13:13:00,928 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 758 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:00,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 2156 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 13:13:00,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-10-16 13:13:01,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 929. [2022-10-16 13:13:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 689 states have (on average 1.3642960812772134) internal successors, (940), 720 states have internal predecessors, (940), 174 states have call successors, (174), 56 states have call predecessors, (174), 56 states have return successors, (174), 167 states have call predecessors, (174), 174 states have call successors, (174) [2022-10-16 13:13:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1288 transitions. [2022-10-16 13:13:01,119 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1288 transitions. Word has length 50 [2022-10-16 13:13:01,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:01,121 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1288 transitions. [2022-10-16 13:13:01,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 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 13:13:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1288 transitions. [2022-10-16 13:13:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 13:13:01,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:01,139 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:01,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:13:01,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:01,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1971979575, now seen corresponding path program 1 times [2022-10-16 13:13:01,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:01,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237739138] [2022-10-16 13:13:01,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:13:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:13:01,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:01,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237739138] [2022-10-16 13:13:01,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237739138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:01,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:01,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:13:01,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340188074] [2022-10-16 13:13:01,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:13:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:01,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:13:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:01,920 INFO L87 Difference]: Start difference. First operand 929 states and 1288 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:13:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:03,530 INFO L93 Difference]: Finished difference Result 1965 states and 2836 transitions. [2022-10-16 13:13:03,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:13:03,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 87 [2022-10-16 13:13:03,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:03,543 INFO L225 Difference]: With dead ends: 1965 [2022-10-16 13:13:03,543 INFO L226 Difference]: Without dead ends: 1050 [2022-10-16 13:13:03,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:13:03,556 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 190 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:03,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 3648 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 13:13:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2022-10-16 13:13:03,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 937. [2022-10-16 13:13:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 695 states have (on average 1.3611510791366908) internal successors, (946), 726 states have internal predecessors, (946), 174 states have call successors, (174), 56 states have call predecessors, (174), 58 states have return successors, (183), 169 states have call predecessors, (183), 174 states have call successors, (183) [2022-10-16 13:13:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1303 transitions. [2022-10-16 13:13:03,667 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1303 transitions. Word has length 87 [2022-10-16 13:13:03,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:03,668 INFO L495 AbstractCegarLoop]: Abstraction has 937 states and 1303 transitions. [2022-10-16 13:13:03,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 13:13:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1303 transitions. [2022-10-16 13:13:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:13:03,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:03,672 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-10-16 13:13:03,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:13:03,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1192398513, now seen corresponding path program 1 times [2022-10-16 13:13:03,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:03,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902956321] [2022-10-16 13:13:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-16 13:13:03,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:03,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902956321] [2022-10-16 13:13:03,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902956321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:03,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:03,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:13:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063876530] [2022-10-16 13:13:03,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:03,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:03,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:13:03,918 INFO L87 Difference]: Start difference. First operand 937 states and 1303 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:13:05,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:05,679 INFO L93 Difference]: Finished difference Result 2586 states and 3669 transitions. [2022-10-16 13:13:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:05,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2022-10-16 13:13:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:05,697 INFO L225 Difference]: With dead ends: 2586 [2022-10-16 13:13:05,698 INFO L226 Difference]: Without dead ends: 1663 [2022-10-16 13:13:05,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 13:13:05,719 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 990 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:05,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2628 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 13:13:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-10-16 13:13:05,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1462. [2022-10-16 13:13:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1098 states have (on average 1.3597449908925319) internal successors, (1493), 1144 states have internal predecessors, (1493), 265 states have call successors, (265), 86 states have call predecessors, (265), 89 states have return successors, (275), 254 states have call predecessors, (275), 265 states have call successors, (275) [2022-10-16 13:13:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2033 transitions. [2022-10-16 13:13:05,859 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2033 transitions. Word has length 86 [2022-10-16 13:13:05,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:05,860 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2033 transitions. [2022-10-16 13:13:05,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:13:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2033 transitions. [2022-10-16 13:13:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 13:13:05,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:05,863 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:05,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:13:05,864 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:05,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1215014552, now seen corresponding path program 1 times [2022-10-16 13:13:05,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:05,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723091758] [2022-10-16 13:13:05,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:05,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:13:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 13:13:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:13:06,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:06,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723091758] [2022-10-16 13:13:06,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723091758] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:06,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:06,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:13:06,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239104802] [2022-10-16 13:13:06,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:06,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:06,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:06,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:06,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:13:06,271 INFO L87 Difference]: Start difference. First operand 1462 states and 2033 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:13:08,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:08,196 INFO L93 Difference]: Finished difference Result 4750 states and 6933 transitions. [2022-10-16 13:13:08,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:08,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2022-10-16 13:13:08,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:08,228 INFO L225 Difference]: With dead ends: 4750 [2022-10-16 13:13:08,229 INFO L226 Difference]: Without dead ends: 3302 [2022-10-16 13:13:08,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 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 13:13:08,252 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 1172 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:08,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 2294 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 13:13:08,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2022-10-16 13:13:08,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3037. [2022-10-16 13:13:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3037 states, 2295 states have (on average 1.3625272331154683) internal successors, (3127), 2386 states have internal predecessors, (3127), 542 states have call successors, (542), 172 states have call predecessors, (542), 190 states have return successors, (683), 524 states have call predecessors, (683), 542 states have call successors, (683) [2022-10-16 13:13:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 4352 transitions. [2022-10-16 13:13:08,491 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 4352 transitions. Word has length 95 [2022-10-16 13:13:08,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:08,492 INFO L495 AbstractCegarLoop]: Abstraction has 3037 states and 4352 transitions. [2022-10-16 13:13:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:13:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 4352 transitions. [2022-10-16 13:13:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:13:08,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:08,495 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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 13:13:08,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:13:08,495 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:08,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:08,496 INFO L85 PathProgramCache]: Analyzing trace with hash -437508994, now seen corresponding path program 1 times [2022-10-16 13:13:08,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:08,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859953259] [2022-10-16 13:13:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:08,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-16 13:13:08,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:08,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859953259] [2022-10-16 13:13:08,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859953259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:08,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:08,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:13:08,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469791288] [2022-10-16 13:13:08,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:08,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:08,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:08,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:08,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:13:08,728 INFO L87 Difference]: Start difference. First operand 3037 states and 4352 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:13:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:10,868 INFO L93 Difference]: Finished difference Result 5242 states and 7573 transitions. [2022-10-16 13:13:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:10,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 88 [2022-10-16 13:13:10,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:10,911 INFO L225 Difference]: With dead ends: 5242 [2022-10-16 13:13:10,911 INFO L226 Difference]: Without dead ends: 5240 [2022-10-16 13:13:10,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 13:13:10,917 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 979 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:10,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 2658 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:13:10,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-10-16 13:13:11,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 4835. [2022-10-16 13:13:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 3665 states have (on average 1.3519781718963164) internal successors, (4955), 3805 states have internal predecessors, (4955), 849 states have call successors, (849), 282 states have call predecessors, (849), 311 states have return successors, (1067), 823 states have call predecessors, (1067), 849 states have call successors, (1067) [2022-10-16 13:13:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6871 transitions. [2022-10-16 13:13:11,268 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6871 transitions. Word has length 88 [2022-10-16 13:13:11,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:11,269 INFO L495 AbstractCegarLoop]: Abstraction has 4835 states and 6871 transitions. [2022-10-16 13:13:11,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:13:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6871 transitions. [2022-10-16 13:13:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 13:13:11,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:11,272 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:11,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:13:11,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:11,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:11,273 INFO L85 PathProgramCache]: Analyzing trace with hash 224009446, now seen corresponding path program 1 times [2022-10-16 13:13:11,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:11,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049308553] [2022-10-16 13:13:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:13:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:13:11,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:11,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049308553] [2022-10-16 13:13:11,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049308553] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:11,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:11,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:13:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819921487] [2022-10-16 13:13:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:11,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:13:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:11,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:13:11,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:11,838 INFO L87 Difference]: Start difference. First operand 4835 states and 6871 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:13:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:14,275 INFO L93 Difference]: Finished difference Result 10038 states and 14716 transitions. [2022-10-16 13:13:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:13:14,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2022-10-16 13:13:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:14,317 INFO L225 Difference]: With dead ends: 10038 [2022-10-16 13:13:14,317 INFO L226 Difference]: Without dead ends: 5217 [2022-10-16 13:13:14,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:14,371 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 1166 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:14,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 2972 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 13:13:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5217 states. [2022-10-16 13:13:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5217 to 4810. [2022-10-16 13:13:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 3640 states have (on average 1.348901098901099) internal successors, (4910), 3780 states have internal predecessors, (4910), 849 states have call successors, (849), 282 states have call predecessors, (849), 311 states have return successors, (1067), 823 states have call predecessors, (1067), 849 states have call successors, (1067) [2022-10-16 13:13:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 6826 transitions. [2022-10-16 13:13:14,700 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 6826 transitions. Word has length 95 [2022-10-16 13:13:14,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:14,701 INFO L495 AbstractCegarLoop]: Abstraction has 4810 states and 6826 transitions. [2022-10-16 13:13:14,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:13:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 6826 transitions. [2022-10-16 13:13:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 13:13:14,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:14,706 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:13:14,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:13:14,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:14,707 INFO L85 PathProgramCache]: Analyzing trace with hash 734067510, now seen corresponding path program 1 times [2022-10-16 13:13:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:14,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14838744] [2022-10-16 13:13:14,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-16 13:13:14,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:14,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14838744] [2022-10-16 13:13:14,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14838744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:14,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:14,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:13:14,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453205891] [2022-10-16 13:13:14,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:14,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:14,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:14,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:13:14,915 INFO L87 Difference]: Start difference. First operand 4810 states and 6826 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:13:17,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:17,086 INFO L93 Difference]: Finished difference Result 9448 states and 13656 transitions. [2022-10-16 13:13:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:17,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2022-10-16 13:13:17,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:17,140 INFO L225 Difference]: With dead ends: 9448 [2022-10-16 13:13:17,140 INFO L226 Difference]: Without dead ends: 6440 [2022-10-16 13:13:17,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 13:13:17,161 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 897 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:17,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 2935 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:13:17,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6440 states. [2022-10-16 13:13:17,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6440 to 5922. [2022-10-16 13:13:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5922 states, 4493 states have (on average 1.3507678611172935) internal successors, (6069), 4666 states have internal predecessors, (6069), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 380 states have return successors, (1304), 1003 states have call predecessors, (1304), 1039 states have call successors, (1304) [2022-10-16 13:13:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 8412 transitions. [2022-10-16 13:13:17,609 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 8412 transitions. Word has length 105 [2022-10-16 13:13:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:17,610 INFO L495 AbstractCegarLoop]: Abstraction has 5922 states and 8412 transitions. [2022-10-16 13:13:17,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:13:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 8412 transitions. [2022-10-16 13:13:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 13:13:17,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:17,616 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 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 13:13:17,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:13:17,616 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash 74376572, now seen corresponding path program 1 times [2022-10-16 13:13:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:17,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890308843] [2022-10-16 13:13:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:13:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:13:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:13:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-16 13:13:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:17,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890308843] [2022-10-16 13:13:17,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890308843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:17,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:17,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:13:17,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712949005] [2022-10-16 13:13:17,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:17,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:13:17,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:17,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:13:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:17,924 INFO L87 Difference]: Start difference. First operand 5922 states and 8412 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:13:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:20,056 INFO L93 Difference]: Finished difference Result 13316 states and 19178 transitions. [2022-10-16 13:13:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:13:20,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2022-10-16 13:13:20,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:20,127 INFO L225 Difference]: With dead ends: 13316 [2022-10-16 13:13:20,127 INFO L226 Difference]: Without dead ends: 7408 [2022-10-16 13:13:20,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:20,162 INFO L413 NwaCegarLoop]: 1119 mSDtfsCounter, 366 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 3041 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:20,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 3041 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:13:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7408 states. [2022-10-16 13:13:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7408 to 5994. [2022-10-16 13:13:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 4565 states have (on average 1.345235487404162) internal successors, (6141), 4738 states have internal predecessors, (6141), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 380 states have return successors, (1304), 1003 states have call predecessors, (1304), 1039 states have call successors, (1304) [2022-10-16 13:13:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 8484 transitions. [2022-10-16 13:13:20,598 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 8484 transitions. Word has length 125 [2022-10-16 13:13:20,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:20,599 INFO L495 AbstractCegarLoop]: Abstraction has 5994 states and 8484 transitions. [2022-10-16 13:13:20,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 13:13:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 8484 transitions. [2022-10-16 13:13:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 13:13:20,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:20,606 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:20,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:13:20,607 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:20,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:20,607 INFO L85 PathProgramCache]: Analyzing trace with hash -403455665, now seen corresponding path program 1 times [2022-10-16 13:13:20,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:20,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979718092] [2022-10-16 13:13:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:20,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:13:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:13:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:13:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 13:13:20,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:20,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979718092] [2022-10-16 13:13:20,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979718092] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:20,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759456075] [2022-10-16 13:13:20,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:20,997 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 13:13:21,007 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 13:13:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:21,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:13:21,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-10-16 13:13:21,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:21,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759456075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:21,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:21,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2022-10-16 13:13:21,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900082244] [2022-10-16 13:13:21,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:21,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:13:21,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:13:21,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:21,434 INFO L87 Difference]: Start difference. First operand 5994 states and 8484 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:13:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:21,718 INFO L93 Difference]: Finished difference Result 6000 states and 8484 transitions. [2022-10-16 13:13:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:13:21,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2022-10-16 13:13:21,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:21,750 INFO L225 Difference]: With dead ends: 6000 [2022-10-16 13:13:21,750 INFO L226 Difference]: Without dead ends: 5999 [2022-10-16 13:13:21,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:21,758 INFO L413 NwaCegarLoop]: 1021 mSDtfsCounter, 851 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:21,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1899 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:13:21,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5999 states. [2022-10-16 13:13:22,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5999 to 5993. [2022-10-16 13:13:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5993 states, 4565 states have (on average 1.343921139101862) internal successors, (6135), 4737 states have internal predecessors, (6135), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 380 states have return successors, (1304), 1003 states have call predecessors, (1304), 1039 states have call successors, (1304) [2022-10-16 13:13:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5993 states to 5993 states and 8478 transitions. [2022-10-16 13:13:22,225 INFO L78 Accepts]: Start accepts. Automaton has 5993 states and 8478 transitions. Word has length 133 [2022-10-16 13:13:22,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:22,226 INFO L495 AbstractCegarLoop]: Abstraction has 5993 states and 8478 transitions. [2022-10-16 13:13:22,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:13:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5993 states and 8478 transitions. [2022-10-16 13:13:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 13:13:22,233 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:22,233 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:22,274 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 13:13:22,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:22,448 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1767394580, now seen corresponding path program 1 times [2022-10-16 13:13:22,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:22,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858673784] [2022-10-16 13:13:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:13:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:13:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:13:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 13:13:22,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:22,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858673784] [2022-10-16 13:13:22,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858673784] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824377134] [2022-10-16 13:13:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:22,759 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 13:13:22,779 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 13:13:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:23,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:13:23,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 13:13:23,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:23,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824377134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:23,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:23,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 13:13:23,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126277805] [2022-10-16 13:13:23,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:23,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:13:23,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:23,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:13:23,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:23,194 INFO L87 Difference]: Start difference. First operand 5993 states and 8478 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 13:13:23,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:23,425 INFO L93 Difference]: Finished difference Result 6067 states and 8598 transitions. [2022-10-16 13:13:23,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:13:23,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 126 [2022-10-16 13:13:23,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:23,454 INFO L225 Difference]: With dead ends: 6067 [2022-10-16 13:13:23,454 INFO L226 Difference]: Without dead ends: 6066 [2022-10-16 13:13:23,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:23,460 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 11 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:23,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1721 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:13:23,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6066 states. [2022-10-16 13:13:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6066 to 6059. [2022-10-16 13:13:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6059 states, 4625 states have (on average 1.3446486486486486) internal successors, (6219), 4803 states have internal predecessors, (6219), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 386 states have return successors, (1322), 1003 states have call predecessors, (1322), 1039 states have call successors, (1322) [2022-10-16 13:13:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6059 states to 6059 states and 8580 transitions. [2022-10-16 13:13:23,941 INFO L78 Accepts]: Start accepts. Automaton has 6059 states and 8580 transitions. Word has length 126 [2022-10-16 13:13:23,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:23,941 INFO L495 AbstractCegarLoop]: Abstraction has 6059 states and 8580 transitions. [2022-10-16 13:13:23,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 13:13:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6059 states and 8580 transitions. [2022-10-16 13:13:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 13:13:23,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:23,948 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:23,988 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 13:13:24,162 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,SelfDestructingSolverStorable9 [2022-10-16 13:13:24,163 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_skb_allocErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:24,164 INFO L85 PathProgramCache]: Analyzing trace with hash 377776906, now seen corresponding path program 1 times [2022-10-16 13:13:24,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:24,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299331954] [2022-10-16 13:13:24,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:13:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:13:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:13:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-16 13:13:25,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:25,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299331954] [2022-10-16 13:13:25,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299331954] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:25,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240133619] [2022-10-16 13:13:25,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:25,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:25,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:25,151 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 13:13:25,160 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 13:13:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:25,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:13:25,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:13:25,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:25,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240133619] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:25,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:25,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-10-16 13:13:25,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665149288] [2022-10-16 13:13:25,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:25,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:13:25,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:25,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:13:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:13:25,615 INFO L87 Difference]: Start difference. First operand 6059 states and 8580 transitions. Second operand has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:13:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:26,047 INFO L93 Difference]: Finished difference Result 6059 states and 8580 transitions. [2022-10-16 13:13:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:13:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2022-10-16 13:13:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:26,078 INFO L225 Difference]: With dead ends: 6059 [2022-10-16 13:13:26,078 INFO L226 Difference]: Without dead ends: 6058 [2022-10-16 13:13:26,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:13:26,085 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 823 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:26,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 858 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:13:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-10-16 13:13:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6046. [2022-10-16 13:13:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6046 states, 4613 states have (on average 1.3429438543247345) internal successors, (6195), 4790 states have internal predecessors, (6195), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 386 states have return successors, (1322), 1003 states have call predecessors, (1322), 1039 states have call successors, (1322) [2022-10-16 13:13:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6046 states to 6046 states and 8556 transitions. [2022-10-16 13:13:26,607 INFO L78 Accepts]: Start accepts. Automaton has 6046 states and 8556 transitions. Word has length 134 [2022-10-16 13:13:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:26,607 INFO L495 AbstractCegarLoop]: Abstraction has 6046 states and 8556 transitions. [2022-10-16 13:13:26,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:13:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 6046 states and 8556 transitions. [2022-10-16 13:13:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 13:13:26,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:26,615 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:26,657 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 13:13:26,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:26,828 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_skb_allocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:26,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:26,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1176122990, now seen corresponding path program 1 times [2022-10-16 13:13:26,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:26,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131048523] [2022-10-16 13:13:26,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:26,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:13:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:13:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:13:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-10-16 13:13:27,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:27,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131048523] [2022-10-16 13:13:27,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131048523] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:27,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125964861] [2022-10-16 13:13:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:27,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:27,183 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 13:13:27,187 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 13:13:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:27,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:13:27,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-10-16 13:13:27,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:27,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125964861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:27,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:27,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 13:13:27,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409075188] [2022-10-16 13:13:27,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:27,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:13:27,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:27,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:13:27,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:27,619 INFO L87 Difference]: Start difference. First operand 6046 states and 8556 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:13:27,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:27,937 INFO L93 Difference]: Finished difference Result 6058 states and 8580 transitions. [2022-10-16 13:13:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:13:27,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 135 [2022-10-16 13:13:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:27,965 INFO L225 Difference]: With dead ends: 6058 [2022-10-16 13:13:27,966 INFO L226 Difference]: Without dead ends: 6057 [2022-10-16 13:13:27,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:27,972 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 9 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:27,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1710 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:13:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2022-10-16 13:13:28,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 6045. [2022-10-16 13:13:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6045 states, 4613 states have (on average 1.3416431823108605) internal successors, (6189), 4789 states have internal predecessors, (6189), 1039 states have call successors, (1039), 344 states have call predecessors, (1039), 386 states have return successors, (1322), 1003 states have call predecessors, (1322), 1039 states have call successors, (1322) [2022-10-16 13:13:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6045 states to 6045 states and 8550 transitions. [2022-10-16 13:13:28,465 INFO L78 Accepts]: Start accepts. Automaton has 6045 states and 8550 transitions. Word has length 135 [2022-10-16 13:13:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:28,466 INFO L495 AbstractCegarLoop]: Abstraction has 6045 states and 8550 transitions. [2022-10-16 13:13:28,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:13:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 6045 states and 8550 transitions. [2022-10-16 13:13:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 13:13:28,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:28,474 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 13:13:28,513 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 13:13:28,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:28,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:28,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash 938901299, now seen corresponding path program 1 times [2022-10-16 13:13:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:28,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350981622] [2022-10-16 13:13:28,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:28,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-10-16 13:13:28,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:28,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350981622] [2022-10-16 13:13:28,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350981622] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:28,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:28,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:13:28,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657300625] [2022-10-16 13:13:28,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:28,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:28,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:28,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:28,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:13:28,945 INFO L87 Difference]: Start difference. First operand 6045 states and 8550 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:13:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:31,806 INFO L93 Difference]: Finished difference Result 12005 states and 17274 transitions. [2022-10-16 13:13:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:13:31,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 121 [2022-10-16 13:13:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:31,858 INFO L225 Difference]: With dead ends: 12005 [2022-10-16 13:13:31,858 INFO L226 Difference]: Without dead ends: 7804 [2022-10-16 13:13:31,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 13:13:31,885 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 958 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 2926 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:31,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 2926 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 13:13:31,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7804 states. [2022-10-16 13:13:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7804 to 7176. [2022-10-16 13:13:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7176 states, 5484 states have (on average 1.3431801604668125) internal successors, (7366), 5694 states have internal predecessors, (7366), 1229 states have call successors, (1229), 406 states have call predecessors, (1229), 456 states have return successors, (1562), 1183 states have call predecessors, (1562), 1229 states have call successors, (1562) [2022-10-16 13:13:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7176 states to 7176 states and 10157 transitions. [2022-10-16 13:13:32,596 INFO L78 Accepts]: Start accepts. Automaton has 7176 states and 10157 transitions. Word has length 121 [2022-10-16 13:13:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:32,596 INFO L495 AbstractCegarLoop]: Abstraction has 7176 states and 10157 transitions. [2022-10-16 13:13:32,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-10-16 13:13:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7176 states and 10157 transitions. [2022-10-16 13:13:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 13:13:32,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:32,605 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:32,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 13:13:32,606 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:32,606 INFO L85 PathProgramCache]: Analyzing trace with hash -528723870, now seen corresponding path program 1 times [2022-10-16 13:13:32,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:32,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740338129] [2022-10-16 13:13:32,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:13:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:13:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:13:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:13:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:13:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:13:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:13:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-16 13:13:32,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:32,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740338129] [2022-10-16 13:13:32,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740338129] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:32,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208804101] [2022-10-16 13:13:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:32,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:32,937 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 13:13:32,941 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 13:13:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:33,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:13:33,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 13:13:33,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:13:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 13:13:33,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208804101] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:13:33,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:13:33,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:13:33,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376809792] [2022-10-16 13:13:33,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:13:33,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:13:33,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:33,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:13:33,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:13:33,363 INFO L87 Difference]: Start difference. First operand 7176 states and 10157 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 13:13:35,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:35,066 INFO L93 Difference]: Finished difference Result 8056 states and 11627 transitions. [2022-10-16 13:13:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:13:35,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 132 [2022-10-16 13:13:35,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:35,195 INFO L225 Difference]: With dead ends: 8056 [2022-10-16 13:13:35,195 INFO L226 Difference]: Without dead ends: 8055 [2022-10-16 13:13:35,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:13:35,200 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 436 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:35,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 2807 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 13:13:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8055 states. [2022-10-16 13:13:35,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8055 to 7302. [2022-10-16 13:13:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7302 states, 5610 states have (on average 1.3429590017825312) internal successors, (7534), 5820 states have internal predecessors, (7534), 1229 states have call successors, (1229), 406 states have call predecessors, (1229), 456 states have return successors, (1562), 1183 states have call predecessors, (1562), 1229 states have call successors, (1562) [2022-10-16 13:13:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7302 states to 7302 states and 10325 transitions. [2022-10-16 13:13:35,741 INFO L78 Accepts]: Start accepts. Automaton has 7302 states and 10325 transitions. Word has length 132 [2022-10-16 13:13:35,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:35,741 INFO L495 AbstractCegarLoop]: Abstraction has 7302 states and 10325 transitions. [2022-10-16 13:13:35,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 1 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 13:13:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 7302 states and 10325 transitions. [2022-10-16 13:13:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 13:13:35,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:35,750 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:13:35,789 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 13:13:35,964 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,SelfDestructingSolverStorable13 [2022-10-16 13:13:35,964 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:35,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash 233706498, now seen corresponding path program 1 times [2022-10-16 13:13:35,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:35,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915854990] [2022-10-16 13:13:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:13:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-16 13:13:36,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:36,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915854990] [2022-10-16 13:13:36,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915854990] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:36,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57228376] [2022-10-16 13:13:36,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:36,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:36,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:36,302 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 13:13:36,327 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 13:13:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:36,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:13:36,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 40 proven. 31 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-10-16 13:13:36,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:13:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-16 13:13:36,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57228376] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:13:36,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:13:36,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 13:13:36,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751244254] [2022-10-16 13:13:36,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:13:36,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:13:36,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:36,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:13:36,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:13:36,981 INFO L87 Difference]: Start difference. First operand 7302 states and 10325 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2022-10-16 13:13:42,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:42,976 INFO L93 Difference]: Finished difference Result 21021 states and 30400 transitions. [2022-10-16 13:13:42,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:13:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 125 [2022-10-16 13:13:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:43,093 INFO L225 Difference]: With dead ends: 21021 [2022-10-16 13:13:43,093 INFO L226 Difference]: Without dead ends: 21019 [2022-10-16 13:13:43,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-10-16 13:13:43,108 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 5723 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 1455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5943 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1455 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:43,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5943 Valid, 4293 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1455 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-10-16 13:13:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21019 states. [2022-10-16 13:13:44,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21019 to 13889. [2022-10-16 13:13:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13889 states, 10680 states have (on average 1.345692883895131) internal successors, (14372), 11076 states have internal predecessors, (14372), 2346 states have call successors, (2346), 762 states have call predecessors, (2346), 857 states have return successors, (2980), 2252 states have call predecessors, (2980), 2346 states have call successors, (2980) [2022-10-16 13:13:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13889 states to 13889 states and 19698 transitions. [2022-10-16 13:13:44,349 INFO L78 Accepts]: Start accepts. Automaton has 13889 states and 19698 transitions. Word has length 125 [2022-10-16 13:13:44,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:44,349 INFO L495 AbstractCegarLoop]: Abstraction has 13889 states and 19698 transitions. [2022-10-16 13:13:44,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 6 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2022-10-16 13:13:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13889 states and 19698 transitions. [2022-10-16 13:13:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 13:13:44,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:44,359 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:44,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:13:44,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 13:13:44,572 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:44,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:44,574 INFO L85 PathProgramCache]: Analyzing trace with hash 16651816, now seen corresponding path program 1 times [2022-10-16 13:13:44,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:44,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635465176] [2022-10-16 13:13:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:44,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:13:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:13:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-10-16 13:13:44,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:44,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635465176] [2022-10-16 13:13:44,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635465176] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:44,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:44,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:13:44,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486335954] [2022-10-16 13:13:44,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:44,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:13:44,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:44,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:13:44,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:44,881 INFO L87 Difference]: Start difference. First operand 13889 states and 19698 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:13:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:48,232 INFO L93 Difference]: Finished difference Result 28997 states and 42945 transitions. [2022-10-16 13:13:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:13:48,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-10-16 13:13:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:48,326 INFO L225 Difference]: With dead ends: 28997 [2022-10-16 13:13:48,327 INFO L226 Difference]: Without dead ends: 16988 [2022-10-16 13:13:48,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 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 13:13:48,403 INFO L413 NwaCegarLoop]: 839 mSDtfsCounter, 627 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:48,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 2013 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 13:13:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16988 states. [2022-10-16 13:13:50,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16988 to 13913. [2022-10-16 13:13:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13913 states, 10700 states have (on average 1.3450467289719625) internal successors, (14392), 11096 states have internal predecessors, (14392), 2350 states have call successors, (2350), 762 states have call predecessors, (2350), 857 states have return successors, (2984), 2256 states have call predecessors, (2984), 2350 states have call successors, (2984) [2022-10-16 13:13:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13913 states to 13913 states and 19726 transitions. [2022-10-16 13:13:50,391 INFO L78 Accepts]: Start accepts. Automaton has 13913 states and 19726 transitions. Word has length 131 [2022-10-16 13:13:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:50,391 INFO L495 AbstractCegarLoop]: Abstraction has 13913 states and 19726 transitions. [2022-10-16 13:13:50,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:13:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 13913 states and 19726 transitions. [2022-10-16 13:13:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 13:13:50,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:50,401 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:13:50,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 13:13:50,402 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:50,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1345031753, now seen corresponding path program 1 times [2022-10-16 13:13:50,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:50,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215695583] [2022-10-16 13:13:50,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:13:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-10-16 13:13:50,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:50,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215695583] [2022-10-16 13:13:50,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215695583] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:50,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678322591] [2022-10-16 13:13:50,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:50,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:50,815 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 13:13:50,827 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 13:13:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:51,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:13:51,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-10-16 13:13:51,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:51,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678322591] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:51,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:51,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 13:13:51,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164973911] [2022-10-16 13:13:51,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:51,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:51,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:51,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:51,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:13:51,225 INFO L87 Difference]: Start difference. First operand 13913 states and 19726 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 13:13:52,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:52,619 INFO L93 Difference]: Finished difference Result 15089 states and 21405 transitions. [2022-10-16 13:13:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:13:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 126 [2022-10-16 13:13:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:52,687 INFO L225 Difference]: With dead ends: 15089 [2022-10-16 13:13:52,687 INFO L226 Difference]: Without dead ends: 15087 [2022-10-16 13:13:52,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 144 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 13:13:52,699 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 1531 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:52,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1531 Valid, 1884 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 13:13:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15087 states. [2022-10-16 13:13:53,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15087 to 12736. [2022-10-16 13:13:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12736 states, 9793 states have (on average 1.3443275809251507) internal successors, (13165), 10153 states have internal predecessors, (13165), 2150 states have call successors, (2150), 702 states have call predecessors, (2150), 789 states have return successors, (2728), 2066 states have call predecessors, (2728), 2150 states have call successors, (2728) [2022-10-16 13:13:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12736 states to 12736 states and 18043 transitions. [2022-10-16 13:13:53,818 INFO L78 Accepts]: Start accepts. Automaton has 12736 states and 18043 transitions. Word has length 126 [2022-10-16 13:13:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:53,818 INFO L495 AbstractCegarLoop]: Abstraction has 12736 states and 18043 transitions. [2022-10-16 13:13:53,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-10-16 13:13:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 12736 states and 18043 transitions. [2022-10-16 13:13:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 13:13:53,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:53,830 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 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 13:13:53,870 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 13:13:54,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:54,046 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:54,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1056070095, now seen corresponding path program 1 times [2022-10-16 13:13:54,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:54,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042200272] [2022-10-16 13:13:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:54,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:13:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:13:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 13:13:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 13:13:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:54,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042200272] [2022-10-16 13:13:54,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042200272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:54,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:54,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:13:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802622064] [2022-10-16 13:13:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:13:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:13:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:54,333 INFO L87 Difference]: Start difference. First operand 12736 states and 18043 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:13:57,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:57,364 INFO L93 Difference]: Finished difference Result 15550 states and 23646 transitions. [2022-10-16 13:13:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:13:57,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 140 [2022-10-16 13:13:57,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:57,426 INFO L225 Difference]: With dead ends: 15550 [2022-10-16 13:13:57,426 INFO L226 Difference]: Without dead ends: 15549 [2022-10-16 13:13:57,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 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 13:13:57,438 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 669 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:57,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 1902 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 13:13:57,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15549 states. [2022-10-16 13:13:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15549 to 12735. [2022-10-16 13:13:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12735 states, 9793 states have (on average 1.3439191259062595) internal successors, (13161), 10152 states have internal predecessors, (13161), 2150 states have call successors, (2150), 702 states have call predecessors, (2150), 789 states have return successors, (2728), 2066 states have call predecessors, (2728), 2150 states have call successors, (2728) [2022-10-16 13:13:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12735 states to 12735 states and 18039 transitions. [2022-10-16 13:13:58,668 INFO L78 Accepts]: Start accepts. Automaton has 12735 states and 18039 transitions. Word has length 140 [2022-10-16 13:13:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:58,669 INFO L495 AbstractCegarLoop]: Abstraction has 12735 states and 18039 transitions. [2022-10-16 13:13:58,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:13:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12735 states and 18039 transitions. [2022-10-16 13:13:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 13:13:58,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:58,684 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 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 13:13:58,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 13:13:58,684 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:13:58,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1621564240, now seen corresponding path program 1 times [2022-10-16 13:13:58,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:58,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817591492] [2022-10-16 13:13:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:13:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:13:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:13:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:13:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:13:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:13:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-16 13:13:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-16 13:13:58,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:58,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817591492] [2022-10-16 13:13:58,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817591492] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:13:58,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540975142] [2022-10-16 13:13:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:58,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:13:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:13:58,969 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 13:13:58,988 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 13:13:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:59,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:13:59,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:13:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-16 13:13:59,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:13:59,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540975142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:59,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:13:59,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:13:59,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537977431] [2022-10-16 13:13:59,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:59,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:13:59,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:13:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:13:59,331 INFO L87 Difference]: Start difference. First operand 12735 states and 18039 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:14:00,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:14:00,265 INFO L93 Difference]: Finished difference Result 15300 states and 21848 transitions. [2022-10-16 13:14:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:14:00,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 141 [2022-10-16 13:14:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:14:00,312 INFO L225 Difference]: With dead ends: 15300 [2022-10-16 13:14:00,313 INFO L226 Difference]: Without dead ends: 15299 [2022-10-16 13:14:00,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 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 13:14:00,321 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 364 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:14:00,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1991 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:14:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15299 states. [2022-10-16 13:14:01,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15299 to 12714. [2022-10-16 13:14:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12714 states, 9777 states have (on average 1.3440728239746345) internal successors, (13141), 10135 states have internal predecessors, (13141), 2146 states have call successors, (2146), 702 states have call predecessors, (2146), 789 states have return successors, (2724), 2062 states have call predecessors, (2724), 2146 states have call successors, (2724) [2022-10-16 13:14:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12714 states to 12714 states and 18011 transitions. [2022-10-16 13:14:01,371 INFO L78 Accepts]: Start accepts. Automaton has 12714 states and 18011 transitions. Word has length 141 [2022-10-16 13:14:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:14:01,371 INFO L495 AbstractCegarLoop]: Abstraction has 12714 states and 18011 transitions. [2022-10-16 13:14:01,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:14:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 12714 states and 18011 transitions. [2022-10-16 13:14:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-16 13:14:01,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:14:01,384 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:01,420 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 13:14:01,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:14:01,600 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:14:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:14:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash 693450837, now seen corresponding path program 1 times [2022-10-16 13:14:01,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:14:01,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762298658] [2022-10-16 13:14:01,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:14:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:14:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:14:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:14:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:14:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:14:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:14:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:14:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:14:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:14:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:14:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:14:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:14:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:14:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 13:14:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 10 proven. 57 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-10-16 13:14:02,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:14:02,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762298658] [2022-10-16 13:14:02,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762298658] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:14:02,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716925097] [2022-10-16 13:14:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:14:02,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:14:02,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:14:02,096 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 13:14:02,113 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 13:14:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:02,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 13:14:02,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:14:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 66 proven. 8 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-16 13:14:02,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:14:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 13:14:03,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716925097] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:14:03,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:14:03,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2022-10-16 13:14:03,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183157997] [2022-10-16 13:14:03,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:14:03,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 13:14:03,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:14:03,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 13:14:03,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:14:03,194 INFO L87 Difference]: Start difference. First operand 12714 states and 18011 transitions. Second operand has 19 states, 19 states have (on average 11.0) internal successors, (209), 17 states have internal predecessors, (209), 5 states have call successors, (41), 7 states have call predecessors, (41), 5 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-10-16 13:14:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:14:15,425 INFO L93 Difference]: Finished difference Result 32175 states and 53061 transitions. [2022-10-16 13:14:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 13:14:15,425 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 11.0) internal successors, (209), 17 states have internal predecessors, (209), 5 states have call successors, (41), 7 states have call predecessors, (41), 5 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) Word has length 158 [2022-10-16 13:14:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:14:15,571 INFO L225 Difference]: With dead ends: 32175 [2022-10-16 13:14:15,571 INFO L226 Difference]: Without dead ends: 25308 [2022-10-16 13:14:15,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 344 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=416, Invalid=1390, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 13:14:15,684 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 4305 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 7812 mSolverCounterSat, 2438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 6090 SdHoareTripleChecker+Invalid, 10250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2438 IncrementalHoareTripleChecker+Valid, 7812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:14:15,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 6090 Invalid, 10250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2438 Valid, 7812 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-10-16 13:14:15,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25308 states. [2022-10-16 13:14:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25308 to 21421. [2022-10-16 13:14:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21421 states, 16254 states have (on average 1.3259505352528609) internal successors, (21552), 16900 states have internal predecessors, (21552), 3917 states have call successors, (3917), 1053 states have call predecessors, (3917), 1248 states have return successors, (7367), 3941 states have call predecessors, (7367), 3917 states have call successors, (7367) [2022-10-16 13:14:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21421 states to 21421 states and 32836 transitions. [2022-10-16 13:14:18,134 INFO L78 Accepts]: Start accepts. Automaton has 21421 states and 32836 transitions. Word has length 158 [2022-10-16 13:14:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:14:18,135 INFO L495 AbstractCegarLoop]: Abstraction has 21421 states and 32836 transitions. [2022-10-16 13:14:18,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.0) internal successors, (209), 17 states have internal predecessors, (209), 5 states have call successors, (41), 7 states have call predecessors, (41), 5 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-10-16 13:14:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 21421 states and 32836 transitions. [2022-10-16 13:14:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-16 13:14:18,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:14:18,321 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:14:18,361 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 13:14:18,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:14:18,537 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:14:18,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:14:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1155562658, now seen corresponding path program 1 times [2022-10-16 13:14:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:14:18,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850219647] [2022-10-16 13:14:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:14:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:14:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:14:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:14:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:14:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:14:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:14:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:14:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:14:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:14:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:14:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:14:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:14:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-10-16 13:14:18,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:14:18,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850219647] [2022-10-16 13:14:18,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850219647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:14:18,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:14:18,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:14:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998042654] [2022-10-16 13:14:18,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:14:18,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:14:18,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:14:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:14:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:14:18,776 INFO L87 Difference]: Start difference. First operand 21421 states and 32836 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:14:23,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:14:23,011 INFO L93 Difference]: Finished difference Result 48478 states and 75957 transitions. [2022-10-16 13:14:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:14:23,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 166 [2022-10-16 13:14:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:14:23,173 INFO L225 Difference]: With dead ends: 48478 [2022-10-16 13:14:23,173 INFO L226 Difference]: Without dead ends: 28331 [2022-10-16 13:14:23,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 13:14:23,659 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 881 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:14:23,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 3087 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:14:23,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28331 states. [2022-10-16 13:14:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28331 to 25237. [2022-10-16 13:14:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25237 states, 19170 states have (on average 1.3264475743348982) internal successors, (25428), 19932 states have internal predecessors, (25428), 4603 states have call successors, (4603), 1233 states have call predecessors, (4603), 1462 states have return successors, (8655), 4627 states have call predecessors, (8655), 4603 states have call successors, (8655) [2022-10-16 13:14:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25237 states to 25237 states and 38686 transitions. [2022-10-16 13:14:26,327 INFO L78 Accepts]: Start accepts. Automaton has 25237 states and 38686 transitions. Word has length 166 [2022-10-16 13:14:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:14:26,329 INFO L495 AbstractCegarLoop]: Abstraction has 25237 states and 38686 transitions. [2022-10-16 13:14:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 13:14:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 25237 states and 38686 transitions. [2022-10-16 13:14:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-10-16 13:14:26,361 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:14:26,362 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 7, 7, 7, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:14:26,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 13:14:26,362 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:14:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:14:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash -524221364, now seen corresponding path program 2 times [2022-10-16 13:14:26,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:14:26,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120511828] [2022-10-16 13:14:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:14:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:14:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:14:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:14:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:14:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:14:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:14:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:14:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:14:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 13:14:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:14:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:14:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:14:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:14:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:14:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:14:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:14:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 13:14:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:14:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 59 proven. 87 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-10-16 13:14:26,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:14:26,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120511828] [2022-10-16 13:14:26,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120511828] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:14:26,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329651599] [2022-10-16 13:14:26,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:14:26,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:14:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:14:26,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:14:26,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 13:14:27,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:14:27,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:14:27,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 13:14:27,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:14:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-16 13:14:27,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:14:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-10-16 13:14:28,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329651599] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:14:28,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:14:28,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 22 [2022-10-16 13:14:28,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353351612] [2022-10-16 13:14:28,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:14:28,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-16 13:14:28,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:14:28,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-16 13:14:28,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2022-10-16 13:14:28,056 INFO L87 Difference]: Start difference. First operand 25237 states and 38686 transitions. Second operand has 23 states, 22 states have (on average 11.590909090909092) internal successors, (255), 21 states have internal predecessors, (255), 10 states have call successors, (43), 10 states have call predecessors, (43), 6 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2022-10-16 13:14:51,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:14:51,709 INFO L93 Difference]: Finished difference Result 70519 states and 131975 transitions. [2022-10-16 13:14:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 13:14:51,712 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 11.590909090909092) internal successors, (255), 21 states have internal predecessors, (255), 10 states have call successors, (43), 10 states have call predecessors, (43), 6 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) Word has length 192 [2022-10-16 13:14:51,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:14:52,989 INFO L225 Difference]: With dead ends: 70519 [2022-10-16 13:14:52,989 INFO L226 Difference]: Without dead ends: 52163 [2022-10-16 13:14:53,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1129, Invalid=2903, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 13:14:53,469 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 18534 mSDsluCounter, 3750 mSDsCounter, 0 mSdLazyCounter, 9486 mSolverCounterSat, 11601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18723 SdHoareTripleChecker+Valid, 4622 SdHoareTripleChecker+Invalid, 21087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11601 IncrementalHoareTripleChecker+Valid, 9486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:14:53,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18723 Valid, 4622 Invalid, 21087 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11601 Valid, 9486 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-10-16 13:14:53,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52163 states. [2022-10-16 13:14:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52163 to 45358. [2022-10-16 13:14:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45358 states, 34452 states have (on average 1.3282828282828283) internal successors, (45762), 35872 states have internal predecessors, (45762), 8320 states have call successors, (8320), 2055 states have call predecessors, (8320), 2585 states have return successors, (24162), 8500 states have call predecessors, (24162), 8320 states have call successors, (24162) [2022-10-16 13:15:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45358 states to 45358 states and 78244 transitions. [2022-10-16 13:15:00,297 INFO L78 Accepts]: Start accepts. Automaton has 45358 states and 78244 transitions. Word has length 192 [2022-10-16 13:15:00,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:15:00,298 INFO L495 AbstractCegarLoop]: Abstraction has 45358 states and 78244 transitions. [2022-10-16 13:15:00,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.590909090909092) internal successors, (255), 21 states have internal predecessors, (255), 10 states have call successors, (43), 10 states have call predecessors, (43), 6 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2022-10-16 13:15:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 45358 states and 78244 transitions. [2022-10-16 13:15:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-10-16 13:15:00,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:15:00,336 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:15:00,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 13:15:00,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 13:15:00,538 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:15:00,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:15:00,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1770749246, now seen corresponding path program 1 times [2022-10-16 13:15:00,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:15:00,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406574341] [2022-10-16 13:15:00,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:15:00,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:15:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:15:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:15:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:15:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:15:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:15:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:15:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:15:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:15:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:15:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:15:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:15:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:15:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:15:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:15:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:15:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-16 13:15:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-16 13:15:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-10-16 13:15:00,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:15:00,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406574341] [2022-10-16 13:15:00,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406574341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:15:00,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:15:00,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:15:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623945371] [2022-10-16 13:15:00,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:15:00,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:15:00,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:15:00,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:15:00,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:15:00,847 INFO L87 Difference]: Start difference. First operand 45358 states and 78244 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:15:08,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:15:08,365 INFO L93 Difference]: Finished difference Result 92131 states and 162324 transitions. [2022-10-16 13:15:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:15:08,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 198 [2022-10-16 13:15:08,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:15:09,271 INFO L225 Difference]: With dead ends: 92131 [2022-10-16 13:15:09,271 INFO L226 Difference]: Without dead ends: 44454 [2022-10-16 13:15:10,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 13:15:10,060 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 1011 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:15:10,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 2056 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 13:15:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44454 states. [2022-10-16 13:15:14,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44454 to 40213. [2022-10-16 13:15:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40213 states, 30553 states have (on average 1.331784112853075) internal successors, (40690), 31811 states have internal predecessors, (40690), 7384 states have call successors, (7384), 1805 states have call predecessors, (7384), 2275 states have return successors, (21692), 7532 states have call predecessors, (21692), 7384 states have call successors, (21692) [2022-10-16 13:15:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40213 states to 40213 states and 69766 transitions. [2022-10-16 13:15:15,777 INFO L78 Accepts]: Start accepts. Automaton has 40213 states and 69766 transitions. Word has length 198 [2022-10-16 13:15:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:15:15,778 INFO L495 AbstractCegarLoop]: Abstraction has 40213 states and 69766 transitions. [2022-10-16 13:15:15,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 13:15:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40213 states and 69766 transitions. [2022-10-16 13:15:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-10-16 13:15:15,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:15:15,975 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:15:15,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 13:15:15,976 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 13:15:15,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:15:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash -753421519, now seen corresponding path program 1 times [2022-10-16 13:15:15,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:15:15,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468281563] [2022-10-16 13:15:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:15:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:15:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:15:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:15:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:15:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:15:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:15:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:15:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:15:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:15:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:15:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:15:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:15:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 13:15:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:15:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 13:15:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:15:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-16 13:15:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 151 proven. 1 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-10-16 13:15:16,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:15:16,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468281563] [2022-10-16 13:15:16,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468281563] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:15:16,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530773615] [2022-10-16 13:15:16,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:15:16,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:15:16,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:15:16,464 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:15:16,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 13:15:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:17,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1693 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:15:17,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:15:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-10-16 13:15:17,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:15:17,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530773615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:15:17,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:15:17,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 13:15:17,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799889738] [2022-10-16 13:15:17,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:15:17,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:15:17,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:15:17,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:15:17,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:15:17,141 INFO L87 Difference]: Start difference. First operand 40213 states and 69766 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:15:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:15:19,690 INFO L93 Difference]: Finished difference Result 57448 states and 99757 transitions. [2022-10-16 13:15:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:15:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 270 [2022-10-16 13:15:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:15:19,713 INFO L225 Difference]: With dead ends: 57448 [2022-10-16 13:15:19,714 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 13:15:20,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:15:20,691 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 709 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:15:20,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 2302 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:15:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 13:15:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 13:15:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 13:15:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 13:15:20,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2022-10-16 13:15:20,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:15:20,700 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 13:15:20,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 13:15:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 13:15:20,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 13:15:20,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_rxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2022-10-16 13:15:20,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_rxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2022-10-16 13:15:20,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_tx_cpErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2022-10-16 13:15:20,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_tx_cpErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2022-10-16 13:15:20,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_tx_cpErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2022-10-16 13:15:20,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_tx_cpErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2022-10-16 13:15:20,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_skb_allocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2022-10-16 13:15:20,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_skb_allocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2022-10-16 13:15:20,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_skb_allocErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2022-10-16 13:15:20,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_skb_allocErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2022-10-16 13:15:20,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2022-10-16 13:15:20,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2022-10-16 13:15:20,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2022-10-16 13:15:20,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2022-10-16 13:15:20,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2022-10-16 13:15:20,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ppp_cp_eventErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2022-10-16 13:15:20,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __fswab16Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2022-10-16 13:15:20,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __fswab16Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2022-10-16 13:15:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2022-10-16 13:15:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2022-10-16 13:15:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2022-10-16 13:15:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2022-10-16 13:15:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2022-10-16 13:15:20,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2022-10-16 13:15:20,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2022-10-16 13:15:20,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2022-10-16 13:15:20,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2022-10-16 13:15:20,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2022-10-16 13:15:20,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-10-16 13:15:20,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 13:15:20,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.