/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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:09:09,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:09:09,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:09:09,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:09:09,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:09:09,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:09:09,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:09:09,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:09:09,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:09:09,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:09:09,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:09:09,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:09:09,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:09:09,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:09:09,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:09:09,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:09:09,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:09:09,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:09:09,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:09:09,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:09:09,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:09:09,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:09:09,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:09:09,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:09:09,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:09:09,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:09:09,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:09:09,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:09:09,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:09:09,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:09:09,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:09:09,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:09:09,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:09:09,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:09:09,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:09:09,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:09:09,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:09:09,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:09:09,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:09:09,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:09:09,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:09:09,287 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 14:09:09,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:09:09,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:09:09,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:09:09,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:09:09,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:09:09,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:09:09,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:09:09,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:09:09,347 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:09:09,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:09:09,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:09:09,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:09:09,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:09:09,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:09:09,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:09:09,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:09:09,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:09:09,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:09:09,350 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:09:09,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:09:09,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:09:09,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:09:09,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:09:09,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:09:09,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:09:09,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:09:09,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:09,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:09:09,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:09:09,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:09:09,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:09:09,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:09:09,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:09:09,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:09:09,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:09:09,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:09:09,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:09:09,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:09:09,851 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:09:09,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:09,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e959c2c2/2990a774b22d41ba9d227bf6ec42be87/FLAGc1f5dfbf9 [2022-10-16 14:09:11,001 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:09:11,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:11,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e959c2c2/2990a774b22d41ba9d227bf6ec42be87/FLAGc1f5dfbf9 [2022-10-16 14:09:11,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e959c2c2/2990a774b22d41ba9d227bf6ec42be87 [2022-10-16 14:09:11,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:09:11,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:09:11,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:11,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:09:11,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:09:11,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:11" (1/1) ... [2022-10-16 14:09:11,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454762cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:11, skipping insertion in model container [2022-10-16 14:09:11,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:09:11" (1/1) ... [2022-10-16 14:09:11,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:09:11,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:09:12,786 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-10-16 14:09:12,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:12,880 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:09:13,177 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2022-10-16 14:09:13,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:09:13,281 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:09:13,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13 WrapperNode [2022-10-16 14:09:13,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:09:13,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:13,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:09:13,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:09:13,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,463 INFO L138 Inliner]: procedures = 150, calls = 816, calls flagged for inlining = 62, calls inlined = 44, statements flattened = 1723 [2022-10-16 14:09:13,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:09:13,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:09:13,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:09:13,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:09:13,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:09:13,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:09:13,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:09:13,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:09:13,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (1/1) ... [2022-10-16 14:09:13,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:09:13,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:09:13,710 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 14:09:13,724 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 14:09:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 14:09:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 14:09:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 14:09:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2022-10-16 14:09:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2022-10-16 14:09:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 14:09:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 14:09:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 14:09:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 14:09:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:09:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 14:09:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 14:09:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2022-10-16 14:09:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2022-10-16 14:09:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-10-16 14:09:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-10-16 14:09:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 14:09:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 14:09:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 14:09:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 14:09:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 14:09:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 14:09:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:09:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 14:09:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 14:09:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-16 14:09:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-16 14:09:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 14:09:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 14:09:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2022-10-16 14:09:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2022-10-16 14:09:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:09:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-16 14:09:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-16 14:09:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2022-10-16 14:09:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2022-10-16 14:09:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:09:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2022-10-16 14:09:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2022-10-16 14:09:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2022-10-16 14:09:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2022-10-16 14:09:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 14:09:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 14:09:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:09:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:09:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 14:09:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:09:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2022-10-16 14:09:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2022-10-16 14:09:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 14:09:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 14:09:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-16 14:09:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-16 14:09:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2022-10-16 14:09:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2022-10-16 14:09:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2022-10-16 14:09:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2022-10-16 14:09:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-10-16 14:09:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-10-16 14:09:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2022-10-16 14:09:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2022-10-16 14:09:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-16 14:09:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-16 14:09:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:09:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:09:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2022-10-16 14:09:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2022-10-16 14:09:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-10-16 14:09:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-10-16 14:09:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 14:09:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 14:09:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 14:09:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 14:09:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 14:09:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 14:09:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:09:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-10-16 14:09:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-10-16 14:09:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 14:09:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-16 14:09:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-16 14:09:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:09:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:09:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2022-10-16 14:09:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2022-10-16 14:09:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2022-10-16 14:09:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2022-10-16 14:09:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 14:09:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 14:09:14,409 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:09:14,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:09:14,543 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 14:09:17,081 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:09:17,097 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:09:17,098 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:09:17,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:17 BoogieIcfgContainer [2022-10-16 14:09:17,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:09:17,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:09:17,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:09:17,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:09:17,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:09:11" (1/3) ... [2022-10-16 14:09:17,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69274390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:17, skipping insertion in model container [2022-10-16 14:09:17,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:09:13" (2/3) ... [2022-10-16 14:09:17,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69274390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:09:17, skipping insertion in model container [2022-10-16 14:09:17,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:09:17" (3/3) ... [2022-10-16 14:09:17,113 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-10-16 14:09:17,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:09:17,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 14:09:17,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:09:17,249 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;@5ff1bfca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:09:17,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 14:09:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 510 states, 352 states have (on average 1.3153409090909092) internal successors, (463), 380 states have internal predecessors, (463), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-10-16 14:09:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 14:09:17,275 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:17,276 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 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 14:09:17,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:17,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:17,284 INFO L85 PathProgramCache]: Analyzing trace with hash 881680937, now seen corresponding path program 1 times [2022-10-16 14:09:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:17,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141204526] [2022-10-16 14:09:17,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-10-16 14:09:18,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:18,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141204526] [2022-10-16 14:09:18,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141204526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:18,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:18,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:09:18,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50999437] [2022-10-16 14:09:18,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:18,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:09:18,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:09:18,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:09:18,636 INFO L87 Difference]: Start difference. First operand has 510 states, 352 states have (on average 1.3153409090909092) internal successors, (463), 380 states have internal predecessors, (463), 102 states have call successors, (102), 36 states have call predecessors, (102), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:09:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:21,340 INFO L93 Difference]: Finished difference Result 1055 states and 1406 transitions. [2022-10-16 14:09:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:09:21,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 147 [2022-10-16 14:09:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:21,366 INFO L225 Difference]: With dead ends: 1055 [2022-10-16 14:09:21,366 INFO L226 Difference]: Without dead ends: 534 [2022-10-16 14:09:21,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:09:21,380 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 282 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:21,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 928 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-16 14:09:21,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2022-10-16 14:09:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 495. [2022-10-16 14:09:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 344 states have (on average 1.2936046511627908) internal successors, (445), 365 states have internal predecessors, (445), 96 states have call successors, (96), 35 states have call predecessors, (96), 35 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-10-16 14:09:21,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 637 transitions. [2022-10-16 14:09:21,496 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 637 transitions. Word has length 147 [2022-10-16 14:09:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:21,497 INFO L495 AbstractCegarLoop]: Abstraction has 495 states and 637 transitions. [2022-10-16 14:09:21,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 14:09:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 637 transitions. [2022-10-16 14:09:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 14:09:21,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:21,502 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 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 14:09:21,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:09:21,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:21,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1596057129, now seen corresponding path program 1 times [2022-10-16 14:09:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454405945] [2022-10-16 14:09:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-10-16 14:09:22,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:22,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454405945] [2022-10-16 14:09:22,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454405945] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:22,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:22,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:09:22,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488762637] [2022-10-16 14:09:22,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:22,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:09:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:22,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:09:22,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:09:22,232 INFO L87 Difference]: Start difference. First operand 495 states and 637 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (11), 3 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 14:09:24,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:24,535 INFO L93 Difference]: Finished difference Result 541 states and 698 transitions. [2022-10-16 14:09:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:09:24,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (11), 3 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 147 [2022-10-16 14:09:24,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:24,543 INFO L225 Difference]: With dead ends: 541 [2022-10-16 14:09:24,543 INFO L226 Difference]: Without dead ends: 539 [2022-10-16 14:09:24,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:09:24,545 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 172 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:24,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 1468 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 14:09:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2022-10-16 14:09:24,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 500. [2022-10-16 14:09:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 349 states have (on average 1.2836676217765044) internal successors, (448), 368 states have internal predecessors, (448), 96 states have call successors, (96), 37 states have call predecessors, (96), 37 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-10-16 14:09:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 640 transitions. [2022-10-16 14:09:24,592 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 640 transitions. Word has length 147 [2022-10-16 14:09:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:24,593 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 640 transitions. [2022-10-16 14:09:24,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (11), 3 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 14:09:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 640 transitions. [2022-10-16 14:09:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 14:09:24,597 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:24,597 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:24,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:09:24,598 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:24,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:24,598 INFO L85 PathProgramCache]: Analyzing trace with hash -507567047, now seen corresponding path program 1 times [2022-10-16 14:09:24,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:24,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182501077] [2022-10-16 14:09:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:24,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-10-16 14:09:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:25,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182501077] [2022-10-16 14:09:25,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182501077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:25,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:25,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:09:25,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955057785] [2022-10-16 14:09:25,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:25,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:25,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:25,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:25,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:25,252 INFO L87 Difference]: Start difference. First operand 500 states and 640 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (11), 3 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 14:09:28,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:28,386 INFO L93 Difference]: Finished difference Result 539 states and 696 transitions. [2022-10-16 14:09:28,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:09:28,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (11), 3 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 149 [2022-10-16 14:09:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:28,393 INFO L225 Difference]: With dead ends: 539 [2022-10-16 14:09:28,394 INFO L226 Difference]: Without dead ends: 538 [2022-10-16 14:09:28,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:09:28,396 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 184 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:28,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1820 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-16 14:09:28,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-10-16 14:09:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 499. [2022-10-16 14:09:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 349 states have (on average 1.2808022922636104) internal successors, (447), 367 states have internal predecessors, (447), 96 states have call successors, (96), 37 states have call predecessors, (96), 37 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-10-16 14:09:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 639 transitions. [2022-10-16 14:09:28,434 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 639 transitions. Word has length 149 [2022-10-16 14:09:28,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:28,436 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 639 transitions. [2022-10-16 14:09:28,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (11), 3 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 14:09:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 639 transitions. [2022-10-16 14:09:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 14:09:28,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:28,454 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:28,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:09:28,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:28,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1445291020, now seen corresponding path program 1 times [2022-10-16 14:09:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:28,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145829867] [2022-10-16 14:09:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:28,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-10-16 14:09:29,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:29,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145829867] [2022-10-16 14:09:29,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145829867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:29,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:29,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:09:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145148540] [2022-10-16 14:09:29,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:29,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:29,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:29,128 INFO L87 Difference]: Start difference. First operand 499 states and 639 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 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 14:09:31,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:31,803 INFO L93 Difference]: Finished difference Result 538 states and 695 transitions. [2022-10-16 14:09:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:09:31,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 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 150 [2022-10-16 14:09:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:31,810 INFO L225 Difference]: With dead ends: 538 [2022-10-16 14:09:31,810 INFO L226 Difference]: Without dead ends: 537 [2022-10-16 14:09:31,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:09:31,812 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 677 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:31,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1414 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 14:09:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-10-16 14:09:31,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 498. [2022-10-16 14:09:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 349 states have (on average 1.2779369627507164) internal successors, (446), 366 states have internal predecessors, (446), 96 states have call successors, (96), 37 states have call predecessors, (96), 37 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2022-10-16 14:09:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 638 transitions. [2022-10-16 14:09:31,866 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 638 transitions. Word has length 150 [2022-10-16 14:09:31,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:31,868 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 638 transitions. [2022-10-16 14:09:31,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 3 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 14:09:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 638 transitions. [2022-10-16 14:09:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 14:09:31,883 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:31,883 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-10-16 14:09:31,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:09:31,885 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aem_remove_sensorsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:31,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:31,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1478382912, now seen corresponding path program 1 times [2022-10-16 14:09:31,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:31,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569531266] [2022-10-16 14:09:31,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:31,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:32,370 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-10-16 14:09:32,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:32,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569531266] [2022-10-16 14:09:32,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569531266] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:32,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:32,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:09:32,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404331591] [2022-10-16 14:09:32,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:32,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:32,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:32,374 INFO L87 Difference]: Start difference. First operand 498 states and 638 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:09:35,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:35,055 INFO L93 Difference]: Finished difference Result 1133 states and 1448 transitions. [2022-10-16 14:09:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:09:35,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 184 [2022-10-16 14:09:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:35,068 INFO L225 Difference]: With dead ends: 1133 [2022-10-16 14:09:35,069 INFO L226 Difference]: Without dead ends: 683 [2022-10-16 14:09:35,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:09:35,077 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 592 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:35,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1448 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 14:09:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2022-10-16 14:09:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 637. [2022-10-16 14:09:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 449 states have (on average 1.2672605790645879) internal successors, (569), 466 states have internal predecessors, (569), 118 states have call successors, (118), 54 states have call predecessors, (118), 54 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2022-10-16 14:09:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 805 transitions. [2022-10-16 14:09:35,128 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 805 transitions. Word has length 184 [2022-10-16 14:09:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:35,129 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 805 transitions. [2022-10-16 14:09:35,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:09:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 805 transitions. [2022-10-16 14:09:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 14:09:35,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:35,133 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-10-16 14:09:35,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:09:35,134 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting aem_remove_sensorsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:35,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash -560766958, now seen corresponding path program 1 times [2022-10-16 14:09:35,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:35,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242830771] [2022-10-16 14:09:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:35,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-16 14:09:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-10-16 14:09:35,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:35,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242830771] [2022-10-16 14:09:35,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242830771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:35,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:35,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:09:35,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177838242] [2022-10-16 14:09:35,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:35,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:35,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:35,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:35,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:35,582 INFO L87 Difference]: Start difference. First operand 637 states and 805 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 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 14:09:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:40,946 INFO L93 Difference]: Finished difference Result 1806 states and 2307 transitions. [2022-10-16 14:09:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:09:40,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 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 187 [2022-10-16 14:09:40,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:40,958 INFO L225 Difference]: With dead ends: 1806 [2022-10-16 14:09:40,959 INFO L226 Difference]: Without dead ends: 1217 [2022-10-16 14:09:40,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:09:40,965 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 814 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:40,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 2245 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-16 14:09:40,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-10-16 14:09:41,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1117. [2022-10-16 14:09:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 803 states have (on average 1.277708592777086) internal successors, (1026), 822 states have internal predecessors, (1026), 205 states have call successors, (205), 93 states have call predecessors, (205), 93 states have return successors, (205), 205 states have call predecessors, (205), 205 states have call successors, (205) [2022-10-16 14:09:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1436 transitions. [2022-10-16 14:09:41,078 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1436 transitions. Word has length 187 [2022-10-16 14:09:41,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:41,079 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1436 transitions. [2022-10-16 14:09:41,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 5 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 14:09:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1436 transitions. [2022-10-16 14:09:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-16 14:09:41,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:41,084 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-10-16 14:09:41,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:09:41,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting aem_remove_sensorsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1373705023, now seen corresponding path program 1 times [2022-10-16 14:09:41,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:41,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036841866] [2022-10-16 14:09:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2022-10-16 14:09:41,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:41,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036841866] [2022-10-16 14:09:41,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036841866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:41,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:41,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:09:41,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567679978] [2022-10-16 14:09:41,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:41,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:09:41,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:41,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:09:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:09:41,635 INFO L87 Difference]: Start difference. First operand 1117 states and 1436 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:09:45,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:45,421 INFO L93 Difference]: Finished difference Result 2291 states and 2983 transitions. [2022-10-16 14:09:45,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:09:45,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 196 [2022-10-16 14:09:45,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:45,432 INFO L225 Difference]: With dead ends: 2291 [2022-10-16 14:09:45,433 INFO L226 Difference]: Without dead ends: 1222 [2022-10-16 14:09:45,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:09:45,439 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 291 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:45,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1736 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 14:09:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-10-16 14:09:45,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1138. [2022-10-16 14:09:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 821 states have (on average 1.2752740560292326) internal successors, (1047), 840 states have internal predecessors, (1047), 208 states have call successors, (208), 93 states have call predecessors, (208), 93 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2022-10-16 14:09:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1463 transitions. [2022-10-16 14:09:45,526 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1463 transitions. Word has length 196 [2022-10-16 14:09:45,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:45,527 INFO L495 AbstractCegarLoop]: Abstraction has 1138 states and 1463 transitions. [2022-10-16 14:09:45,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-10-16 14:09:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1463 transitions. [2022-10-16 14:09:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-16 14:09:45,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:45,532 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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 14:09:45,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:09:45,532 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:45,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:45,533 INFO L85 PathProgramCache]: Analyzing trace with hash -983492622, now seen corresponding path program 1 times [2022-10-16 14:09:45,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:45,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940733124] [2022-10-16 14:09:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:45,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 14:09:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2022-10-16 14:09:46,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:46,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940733124] [2022-10-16 14:09:46,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940733124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:46,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:09:46,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:09:46,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276664733] [2022-10-16 14:09:46,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:46,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:09:46,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:46,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:09:46,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:09:46,336 INFO L87 Difference]: Start difference. First operand 1138 states and 1463 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 14:09:50,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 14:09:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:52,163 INFO L93 Difference]: Finished difference Result 2533 states and 3331 transitions. [2022-10-16 14:09:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:09:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 200 [2022-10-16 14:09:52,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:52,174 INFO L225 Difference]: With dead ends: 2533 [2022-10-16 14:09:52,175 INFO L226 Difference]: Without dead ends: 1443 [2022-10-16 14:09:52,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:09:52,180 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 376 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:52,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 3078 Invalid, 1632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 14:09:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-10-16 14:09:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1146. [2022-10-16 14:09:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 827 states have (on average 1.2732769044740024) internal successors, (1053), 846 states have internal predecessors, (1053), 208 states have call successors, (208), 93 states have call predecessors, (208), 95 states have return successors, (214), 210 states have call predecessors, (214), 208 states have call successors, (214) [2022-10-16 14:09:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1475 transitions. [2022-10-16 14:09:52,271 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1475 transitions. Word has length 200 [2022-10-16 14:09:52,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:52,272 INFO L495 AbstractCegarLoop]: Abstraction has 1146 states and 1475 transitions. [2022-10-16 14:09:52,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 14:09:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1475 transitions. [2022-10-16 14:09:52,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-10-16 14:09:52,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:52,277 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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 14:09:52,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:09:52,278 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:52,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:52,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1180006127, now seen corresponding path program 1 times [2022-10-16 14:09:52,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:52,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947190530] [2022-10-16 14:09:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 14:09:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-10-16 14:09:53,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:53,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947190530] [2022-10-16 14:09:53,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947190530] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:09:53,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960424871] [2022-10-16 14:09:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:53,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:09:53,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:09:53,673 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 14:09:53,694 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 14:09:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:54,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 2200 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:09:54,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:09:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-10-16 14:09:54,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:09:54,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960424871] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:09:54,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:09:54,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-10-16 14:09:54,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228468756] [2022-10-16 14:09:54,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:09:54,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:09:54,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:09:54,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:09:54,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:09:54,491 INFO L87 Difference]: Start difference. First operand 1146 states and 1475 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:09:54,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:09:54,602 INFO L93 Difference]: Finished difference Result 1823 states and 2331 transitions. [2022-10-16 14:09:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:09:54,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 200 [2022-10-16 14:09:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:09:54,608 INFO L225 Difference]: With dead ends: 1823 [2022-10-16 14:09:54,609 INFO L226 Difference]: Without dead ends: 717 [2022-10-16 14:09:54,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:09:54,616 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 3 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:09:54,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1887 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:09:54,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-10-16 14:09:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 706. [2022-10-16 14:09:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 503 states have (on average 1.2584493041749503) internal successors, (633), 520 states have internal predecessors, (633), 126 states have call successors, (126), 60 states have call predecessors, (126), 61 states have return successors, (129), 127 states have call predecessors, (129), 126 states have call successors, (129) [2022-10-16 14:09:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 888 transitions. [2022-10-16 14:09:54,672 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 888 transitions. Word has length 200 [2022-10-16 14:09:54,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:09:54,673 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 888 transitions. [2022-10-16 14:09:54,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:09:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 888 transitions. [2022-10-16 14:09:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-16 14:09:54,678 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:09:54,678 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-10-16 14:09:54,738 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 14:09:54,894 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 14:09:54,894 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [aem_send_messageErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, aem_send_messageErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:09:54,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:09:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash 480282904, now seen corresponding path program 1 times [2022-10-16 14:09:54,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:09:54,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522805654] [2022-10-16 14:09:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:09:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:09:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 14:09:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:09:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:09:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 14:09:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 14:09:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:09:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 14:09:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:09:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:09:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:09:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 14:09:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 14:09:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-16 14:09:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-10-16 14:09:55,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:09:55,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522805654] [2022-10-16 14:09:55,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522805654] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:09:55,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107605597] [2022-10-16 14:09:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:09:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:09:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:09:55,978 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 14:09:55,997 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 14:09:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:09:56,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-16 14:09:56,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:09:56,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 55 [2022-10-16 14:09:57,407 INFO L356 Elim1Store]: treesize reduction 70, result has 27.8 percent of original size [2022-10-16 14:09:57,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 112 [2022-10-16 14:09:57,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 107 [2022-10-16 14:09:57,576 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-10-16 14:09:57,646 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 14:09:57,790 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 14:09:57,791 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-16 14:09:57,802 INFO L158 Benchmark]: Toolchain (without parser) took 46281.48ms. Allocated memory was 154.1MB in the beginning and 461.4MB in the end (delta: 307.2MB). Free memory was 121.5MB in the beginning and 292.8MB in the end (delta: -171.3MB). Peak memory consumption was 136.9MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,802 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 154.1MB. Free memory was 123.6MB in the beginning and 123.5MB in the end (delta: 88.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:09:57,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1752.76ms. Allocated memory is still 154.1MB. Free memory was 121.4MB in the beginning and 73.8MB in the end (delta: 47.6MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.70ms. Allocated memory is still 154.1MB. Free memory was 73.8MB in the beginning and 63.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,803 INFO L158 Benchmark]: Boogie Preprocessor took 198.99ms. Allocated memory is still 154.1MB. Free memory was 63.3MB in the beginning and 53.3MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,804 INFO L158 Benchmark]: RCFGBuilder took 3437.02ms. Allocated memory was 154.1MB in the beginning and 185.6MB in the end (delta: 31.5MB). Free memory was 53.3MB in the beginning and 93.8MB in the end (delta: -40.4MB). Peak memory consumption was 35.0MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,805 INFO L158 Benchmark]: TraceAbstraction took 40696.10ms. Allocated memory was 185.6MB in the beginning and 461.4MB in the end (delta: 275.8MB). Free memory was 93.2MB in the beginning and 292.8MB in the end (delta: -199.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. [2022-10-16 14:09:57,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 154.1MB. Free memory was 123.6MB in the beginning and 123.5MB in the end (delta: 88.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1752.76ms. Allocated memory is still 154.1MB. Free memory was 121.4MB in the beginning and 73.8MB in the end (delta: 47.6MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 180.70ms. Allocated memory is still 154.1MB. Free memory was 73.8MB in the beginning and 63.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 198.99ms. Allocated memory is still 154.1MB. Free memory was 63.3MB in the beginning and 53.3MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 3437.02ms. Allocated memory was 154.1MB in the beginning and 185.6MB in the end (delta: 31.5MB). Free memory was 53.3MB in the beginning and 93.8MB in the end (delta: -40.4MB). Peak memory consumption was 35.0MB. Max. memory is 8.0GB. * TraceAbstraction took 40696.10ms. Allocated memory was 185.6MB in the beginning and 461.4MB in the end (delta: 275.8MB). Free memory was 93.2MB in the beginning and 292.8MB in the end (delta: -199.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-16 14:09:57,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...