./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 17:43:21,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 17:43:21,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 17:43:21,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 17:43:21,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 17:43:21,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 17:43:21,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 17:43:21,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 17:43:21,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 17:43:21,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 17:43:21,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 17:43:21,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 17:43:21,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 17:43:21,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 17:43:21,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 17:43:21,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 17:43:21,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 17:43:21,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 17:43:21,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 17:43:21,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 17:43:21,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 17:43:21,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 17:43:21,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 17:43:21,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 17:43:21,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 17:43:21,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 17:43:21,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 17:43:21,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 17:43:21,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 17:43:21,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 17:43:21,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 17:43:21,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 17:43:21,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 17:43:21,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 17:43:21,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 17:43:21,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 17:43:21,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 17:43:21,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 17:43:21,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 17:43:21,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 17:43:21,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 17:43:21,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 17:43:21,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 17:43:21,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 17:43:21,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 17:43:21,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 17:43:21,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 17:43:21,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 17:43:21,831 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 17:43:21,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 17:43:21,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 17:43:21,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 17:43:21,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 17:43:21,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 17:43:21,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 17:43:21,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 17:43:21,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:43:21,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 17:43:21,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 17:43:21,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 17:43:21,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 17:43:21,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 17:43:21,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 17:43:21,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 17:43:21,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 17:43:21,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 17:43:21,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2021-11-06 17:43:21,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 17:43:22,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 17:43:22,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 17:43:22,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 17:43:22,007 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 17:43:22,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-06 17:43:22,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6f7c69c/63e727877e3e4e989fe1fea937e678fe/FLAGc752f81f4 [2021-11-06 17:43:22,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 17:43:22,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-06 17:43:22,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6f7c69c/63e727877e3e4e989fe1fea937e678fe/FLAGc752f81f4 [2021-11-06 17:43:23,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6f7c69c/63e727877e3e4e989fe1fea937e678fe [2021-11-06 17:43:23,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 17:43:23,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 17:43:23,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 17:43:23,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 17:43:23,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 17:43:23,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:43:23" (1/1) ... [2021-11-06 17:43:23,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2e74aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:23, skipping insertion in model container [2021-11-06 17:43:23,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:43:23" (1/1) ... [2021-11-06 17:43:23,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 17:43:23,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 17:43:25,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-06 17:43:25,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:43:25,579 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 17:43:26,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-06 17:43:26,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:43:26,328 INFO L208 MainTranslator]: Completed translation [2021-11-06 17:43:26,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26 WrapperNode [2021-11-06 17:43:26,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 17:43:26,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 17:43:26,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 17:43:26,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 17:43:26,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:26,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:28,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 17:43:28,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 17:43:28,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 17:43:28,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 17:43:28,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:28,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:28,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:28,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:29,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:30,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:30,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:30,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 17:43:30,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 17:43:30,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 17:43:30,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 17:43:30,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (1/1) ... [2021-11-06 17:43:30,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:43:30,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:43:30,961 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) [2021-11-06 17:43:30,982 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 [2021-11-06 17:43:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-06 17:43:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 17:43:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 17:43:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 17:43:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 17:43:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 17:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 17:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 17:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 17:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 17:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 17:46:34,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 17:46:34,898 INFO L299 CfgBuilder]: Removed 11252 assume(true) statements. [2021-11-06 17:46:34,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:46:34 BoogieIcfgContainer [2021-11-06 17:46:34,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 17:46:34,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 17:46:34,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 17:46:34,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 17:46:34,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:43:23" (1/3) ... [2021-11-06 17:46:34,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748814f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:46:34, skipping insertion in model container [2021-11-06 17:46:34,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:43:26" (2/3) ... [2021-11-06 17:46:34,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748814f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:46:34, skipping insertion in model container [2021-11-06 17:46:34,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:46:34" (3/3) ... [2021-11-06 17:46:34,912 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-06 17:46:34,915 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 17:46:34,915 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-06 17:46:34,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 17:46:34,969 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 17:46:34,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-06 17:46:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 11368 states, 11363 states have (on average 1.404734665141248) internal successors, (15962), 11367 states have internal predecessors, (15962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-06 17:46:35,105 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:35,106 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:35,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1071074736, now seen corresponding path program 1 times [2021-11-06 17:46:35,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:35,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168700250] [2021-11-06 17:46:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:35,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:46:35,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:35,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168700250] [2021-11-06 17:46:35,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168700250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:35,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:35,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 17:46:35,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111212095] [2021-11-06 17:46:35,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 17:46:35,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 17:46:35,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 17:46:35,716 INFO L87 Difference]: Start difference. First operand has 11368 states, 11363 states have (on average 1.404734665141248) internal successors, (15962), 11367 states have internal predecessors, (15962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:36,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:36,192 INFO L93 Difference]: Finished difference Result 22732 states and 31919 transitions. [2021-11-06 17:46:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 17:46:36,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-11-06 17:46:36,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:36,240 INFO L225 Difference]: With dead ends: 22732 [2021-11-06 17:46:36,240 INFO L226 Difference]: Without dead ends: 9447 [2021-11-06 17:46:36,264 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 17:46:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2021-11-06 17:46:36,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 9447. [2021-11-06 17:46:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9447 states, 9443 states have (on average 1.375304458328921) internal successors, (12987), 9446 states have internal predecessors, (12987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9447 states to 9447 states and 12987 transitions. [2021-11-06 17:46:36,550 INFO L78 Accepts]: Start accepts. Automaton has 9447 states and 12987 transitions. Word has length 113 [2021-11-06 17:46:36,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:36,552 INFO L470 AbstractCegarLoop]: Abstraction has 9447 states and 12987 transitions. [2021-11-06 17:46:36,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9447 states and 12987 transitions. [2021-11-06 17:46:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-06 17:46:36,557 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:36,558 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:36,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 17:46:36,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:36,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:36,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1506644702, now seen corresponding path program 1 times [2021-11-06 17:46:36,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:36,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158982095] [2021-11-06 17:46:36,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:36,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:46:36,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:36,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158982095] [2021-11-06 17:46:36,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158982095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:36,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:36,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:46:36,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73685905] [2021-11-06 17:46:36,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:46:36,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:36,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:46:36,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:46:36,833 INFO L87 Difference]: Start difference. First operand 9447 states and 12987 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:37,501 INFO L93 Difference]: Finished difference Result 24760 states and 34031 transitions. [2021-11-06 17:46:37,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:46:37,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-11-06 17:46:37,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:37,554 INFO L225 Difference]: With dead ends: 24760 [2021-11-06 17:46:37,554 INFO L226 Difference]: Without dead ends: 15327 [2021-11-06 17:46:37,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:46:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15327 states. [2021-11-06 17:46:37,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15327 to 15279. [2021-11-06 17:46:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15279 states, 15275 states have (on average 1.3753846153846154) internal successors, (21009), 15278 states have internal predecessors, (21009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15279 states to 15279 states and 21009 transitions. [2021-11-06 17:46:37,875 INFO L78 Accepts]: Start accepts. Automaton has 15279 states and 21009 transitions. Word has length 113 [2021-11-06 17:46:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:37,876 INFO L470 AbstractCegarLoop]: Abstraction has 15279 states and 21009 transitions. [2021-11-06 17:46:37,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15279 states and 21009 transitions. [2021-11-06 17:46:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-06 17:46:37,892 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:37,893 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:37,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 17:46:37,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:37,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:37,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1265879774, now seen corresponding path program 1 times [2021-11-06 17:46:37,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:37,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105738980] [2021-11-06 17:46:37,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:37,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:46:38,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:38,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105738980] [2021-11-06 17:46:38,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105738980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:38,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:38,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:46:38,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879765028] [2021-11-06 17:46:38,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:46:38,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:38,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:46:38,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:46:38,312 INFO L87 Difference]: Start difference. First operand 15279 states and 21009 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:38,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:38,548 INFO L93 Difference]: Finished difference Result 30546 states and 42007 transitions. [2021-11-06 17:46:38,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:46:38,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-11-06 17:46:38,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:38,591 INFO L225 Difference]: With dead ends: 30546 [2021-11-06 17:46:38,592 INFO L226 Difference]: Without dead ends: 15281 [2021-11-06 17:46:38,613 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:46:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15281 states. [2021-11-06 17:46:38,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15281 to 15281. [2021-11-06 17:46:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15281 states, 15277 states have (on average 1.37533547162401) internal successors, (21011), 15280 states have internal predecessors, (21011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15281 states to 15281 states and 21011 transitions. [2021-11-06 17:46:38,860 INFO L78 Accepts]: Start accepts. Automaton has 15281 states and 21011 transitions. Word has length 188 [2021-11-06 17:46:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:38,862 INFO L470 AbstractCegarLoop]: Abstraction has 15281 states and 21011 transitions. [2021-11-06 17:46:38,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 15281 states and 21011 transitions. [2021-11-06 17:46:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-06 17:46:38,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:38,874 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:38,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 17:46:38,874 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:38,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1524045212, now seen corresponding path program 1 times [2021-11-06 17:46:38,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:38,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638089460] [2021-11-06 17:46:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:38,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:46:39,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:39,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638089460] [2021-11-06 17:46:39,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638089460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:39,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:39,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:46:39,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89715472] [2021-11-06 17:46:39,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:46:39,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:39,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:46:39,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:46:39,395 INFO L87 Difference]: Start difference. First operand 15281 states and 21011 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:41,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:41,916 INFO L93 Difference]: Finished difference Result 30556 states and 42017 transitions. [2021-11-06 17:46:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:46:41,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-11-06 17:46:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:41,948 INFO L225 Difference]: With dead ends: 30556 [2021-11-06 17:46:41,948 INFO L226 Difference]: Without dead ends: 15281 [2021-11-06 17:46:41,971 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 17:46:41,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15281 states. [2021-11-06 17:46:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15281 to 15281. [2021-11-06 17:46:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15281 states, 15277 states have (on average 1.3752045558682988) internal successors, (21009), 15280 states have internal predecessors, (21009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15281 states to 15281 states and 21009 transitions. [2021-11-06 17:46:42,226 INFO L78 Accepts]: Start accepts. Automaton has 15281 states and 21009 transitions. Word has length 188 [2021-11-06 17:46:42,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:42,227 INFO L470 AbstractCegarLoop]: Abstraction has 15281 states and 21009 transitions. [2021-11-06 17:46:42,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 15281 states and 21009 transitions. [2021-11-06 17:46:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-06 17:46:42,237 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:42,238 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:42,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 17:46:42,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:42,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:42,239 INFO L85 PathProgramCache]: Analyzing trace with hash 296433557, now seen corresponding path program 1 times [2021-11-06 17:46:42,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:42,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83682310] [2021-11-06 17:46:42,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:42,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:46:42,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:42,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83682310] [2021-11-06 17:46:42,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83682310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:42,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:42,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:46:42,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248377128] [2021-11-06 17:46:42,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:46:42,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:46:42,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:46:42,721 INFO L87 Difference]: Start difference. First operand 15281 states and 21009 transitions. Second operand has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:46,956 INFO L93 Difference]: Finished difference Result 55820 states and 77121 transitions. [2021-11-06 17:46:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 17:46:46,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2021-11-06 17:46:46,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:47,050 INFO L225 Difference]: With dead ends: 55820 [2021-11-06 17:46:47,050 INFO L226 Difference]: Without dead ends: 40545 [2021-11-06 17:46:47,079 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-06 17:46:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40545 states. [2021-11-06 17:46:47,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40545 to 15281. [2021-11-06 17:46:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15281 states, 15277 states have (on average 1.3750736401125876) internal successors, (21007), 15280 states have internal predecessors, (21007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15281 states to 15281 states and 21007 transitions. [2021-11-06 17:46:47,537 INFO L78 Accepts]: Start accepts. Automaton has 15281 states and 21007 transitions. Word has length 192 [2021-11-06 17:46:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:47,539 INFO L470 AbstractCegarLoop]: Abstraction has 15281 states and 21007 transitions. [2021-11-06 17:46:47,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 15281 states and 21007 transitions. [2021-11-06 17:46:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-06 17:46:47,548 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:47,548 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:47,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 17:46:47,549 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:47,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:47,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1281381661, now seen corresponding path program 1 times [2021-11-06 17:46:47,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:47,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013380227] [2021-11-06 17:46:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:47,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:46:47,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:47,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013380227] [2021-11-06 17:46:47,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013380227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:47,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:47,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 17:46:47,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468860599] [2021-11-06 17:46:47,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 17:46:47,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:47,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 17:46:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 17:46:47,953 INFO L87 Difference]: Start difference. First operand 15281 states and 21007 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:52,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:46:52,907 INFO L93 Difference]: Finished difference Result 73558 states and 101231 transitions. [2021-11-06 17:46:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:46:52,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2021-11-06 17:46:52,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:46:53,042 INFO L225 Difference]: With dead ends: 73558 [2021-11-06 17:46:53,043 INFO L226 Difference]: Without dead ends: 58291 [2021-11-06 17:46:53,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:46:53,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58291 states. [2021-11-06 17:46:53,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58291 to 15283. [2021-11-06 17:46:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15283 states, 15279 states have (on average 1.3750245434910662) internal successors, (21009), 15282 states have internal predecessors, (21009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15283 states to 15283 states and 21009 transitions. [2021-11-06 17:46:53,718 INFO L78 Accepts]: Start accepts. Automaton has 15283 states and 21009 transitions. Word has length 198 [2021-11-06 17:46:53,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:46:53,719 INFO L470 AbstractCegarLoop]: Abstraction has 15283 states and 21009 transitions. [2021-11-06 17:46:53,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:46:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 15283 states and 21009 transitions. [2021-11-06 17:46:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-06 17:46:53,729 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:46:53,729 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:46:53,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 17:46:53,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:46:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:46:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1679873506, now seen corresponding path program 1 times [2021-11-06 17:46:53,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:46:53,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857770008] [2021-11-06 17:46:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:46:53,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:46:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:46:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:46:54,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:46:54,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857770008] [2021-11-06 17:46:54,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857770008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:46:54,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:46:54,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:46:54,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348164576] [2021-11-06 17:46:54,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:46:54,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:46:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:46:54,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:46:54,271 INFO L87 Difference]: Start difference. First operand 15283 states and 21009 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:47:03,222 INFO L93 Difference]: Finished difference Result 71156 states and 98463 transitions. [2021-11-06 17:47:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 17:47:03,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-11-06 17:47:03,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:47:03,312 INFO L225 Difference]: With dead ends: 71156 [2021-11-06 17:47:03,312 INFO L226 Difference]: Without dead ends: 55887 [2021-11-06 17:47:03,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 17:47:03,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2021-11-06 17:47:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 15289. [2021-11-06 17:47:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15289 states, 15285 states have (on average 1.3748773307163886) internal successors, (21015), 15288 states have internal predecessors, (21015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15289 states to 15289 states and 21015 transitions. [2021-11-06 17:47:03,974 INFO L78 Accepts]: Start accepts. Automaton has 15289 states and 21015 transitions. Word has length 199 [2021-11-06 17:47:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:47:03,974 INFO L470 AbstractCegarLoop]: Abstraction has 15289 states and 21015 transitions. [2021-11-06 17:47:03,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 15289 states and 21015 transitions. [2021-11-06 17:47:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-06 17:47:03,989 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:47:03,989 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:47:03,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 17:47:03,990 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:47:03,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:47:03,990 INFO L85 PathProgramCache]: Analyzing trace with hash -463477491, now seen corresponding path program 1 times [2021-11-06 17:47:03,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:47:03,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269005248] [2021-11-06 17:47:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:03,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:47:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:47:04,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:47:04,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269005248] [2021-11-06 17:47:04,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269005248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:47:04,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:47:04,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:47:04,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583513511] [2021-11-06 17:47:04,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:47:04,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:47:04,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:47:04,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:47:04,355 INFO L87 Difference]: Start difference. First operand 15289 states and 21015 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:47:05,666 INFO L93 Difference]: Finished difference Result 60862 states and 83699 transitions. [2021-11-06 17:47:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:47:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-11-06 17:47:05,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:47:05,736 INFO L225 Difference]: With dead ends: 60862 [2021-11-06 17:47:05,736 INFO L226 Difference]: Without dead ends: 45587 [2021-11-06 17:47:05,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 17:47:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45587 states. [2021-11-06 17:47:06,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45587 to 15292. [2021-11-06 17:47:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15292 states, 15288 states have (on average 1.3748037676609106) internal successors, (21018), 15291 states have internal predecessors, (21018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15292 states to 15292 states and 21018 transitions. [2021-11-06 17:47:06,399 INFO L78 Accepts]: Start accepts. Automaton has 15292 states and 21018 transitions. Word has length 199 [2021-11-06 17:47:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:47:06,400 INFO L470 AbstractCegarLoop]: Abstraction has 15292 states and 21018 transitions. [2021-11-06 17:47:06,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15292 states and 21018 transitions. [2021-11-06 17:47:06,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-06 17:47:06,413 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:47:06,413 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:47:06,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 17:47:06,414 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:47:06,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:47:06,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1409454706, now seen corresponding path program 1 times [2021-11-06 17:47:06,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:47:06,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386881949] [2021-11-06 17:47:06,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:06,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:47:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:47:06,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:47:06,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386881949] [2021-11-06 17:47:06,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386881949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:47:06,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:47:06,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 17:47:06,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698959749] [2021-11-06 17:47:06,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:47:06,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:47:06,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:47:06,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:47:06,794 INFO L87 Difference]: Start difference. First operand 15292 states and 21018 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:07,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:47:07,752 INFO L93 Difference]: Finished difference Result 27988 states and 38499 transitions. [2021-11-06 17:47:07,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:47:07,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2021-11-06 17:47:07,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:47:07,795 INFO L225 Difference]: With dead ends: 27988 [2021-11-06 17:47:07,795 INFO L226 Difference]: Without dead ends: 27984 [2021-11-06 17:47:07,806 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:47:07,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27984 states. [2021-11-06 17:47:08,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27984 to 27665. [2021-11-06 17:47:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27665 states, 27661 states have (on average 1.3761975344347637) internal successors, (38067), 27664 states have internal predecessors, (38067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27665 states to 27665 states and 38067 transitions. [2021-11-06 17:47:08,529 INFO L78 Accepts]: Start accepts. Automaton has 27665 states and 38067 transitions. Word has length 203 [2021-11-06 17:47:08,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:47:08,530 INFO L470 AbstractCegarLoop]: Abstraction has 27665 states and 38067 transitions. [2021-11-06 17:47:08,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27665 states and 38067 transitions. [2021-11-06 17:47:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-06 17:47:08,541 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:47:08,541 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:47:08,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 17:47:08,541 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:47:08,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:47:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1561750938, now seen corresponding path program 1 times [2021-11-06 17:47:08,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:47:08,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650894223] [2021-11-06 17:47:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:08,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:47:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-06 17:47:09,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:47:09,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650894223] [2021-11-06 17:47:09,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650894223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:47:09,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:47:09,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:47:09,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466656455] [2021-11-06 17:47:09,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:47:09,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:47:09,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:47:09,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:47:09,008 INFO L87 Difference]: Start difference. First operand 27665 states and 38067 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:47:17,474 INFO L93 Difference]: Finished difference Result 55333 states and 76151 transitions. [2021-11-06 17:47:17,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:47:17,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-11-06 17:47:17,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:47:17,517 INFO L225 Difference]: With dead ends: 55333 [2021-11-06 17:47:17,518 INFO L226 Difference]: Without dead ends: 27680 [2021-11-06 17:47:17,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:47:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27680 states. [2021-11-06 17:47:18,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27680 to 27680. [2021-11-06 17:47:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27680 states, 27676 states have (on average 1.375993640699523) internal successors, (38082), 27679 states have internal predecessors, (38082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27680 states to 27680 states and 38082 transitions. [2021-11-06 17:47:18,297 INFO L78 Accepts]: Start accepts. Automaton has 27680 states and 38082 transitions. Word has length 205 [2021-11-06 17:47:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:47:18,297 INFO L470 AbstractCegarLoop]: Abstraction has 27680 states and 38082 transitions. [2021-11-06 17:47:18,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 27680 states and 38082 transitions. [2021-11-06 17:47:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-06 17:47:18,309 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:47:18,309 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:47:18,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 17:47:18,310 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:47:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:47:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 418668068, now seen corresponding path program 1 times [2021-11-06 17:47:18,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:47:18,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211994154] [2021-11-06 17:47:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:18,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:47:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-06 17:47:18,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:47:18,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211994154] [2021-11-06 17:47:18,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211994154] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 17:47:18,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331917492] [2021-11-06 17:47:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:18,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 17:47:18,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:47:18,832 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) [2021-11-06 17:47:18,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 17:47:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:20,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 4321 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 17:47:20,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 17:47:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 17:47:21,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331917492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:47:21,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 17:47:21,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-06 17:47:21,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433493639] [2021-11-06 17:47:21,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:47:21,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:47:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:47:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-06 17:47:21,379 INFO L87 Difference]: Start difference. First operand 27680 states and 38082 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:47:24,501 INFO L93 Difference]: Finished difference Result 55359 states and 76166 transitions. [2021-11-06 17:47:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 17:47:24,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-11-06 17:47:24,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:47:24,545 INFO L225 Difference]: With dead ends: 55359 [2021-11-06 17:47:24,546 INFO L226 Difference]: Without dead ends: 27666 [2021-11-06 17:47:24,579 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-06 17:47:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27666 states. [2021-11-06 17:47:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27666 to 27522. [2021-11-06 17:47:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27522 states, 27518 states have (on average 1.3767715677011412) internal successors, (37886), 27521 states have internal predecessors, (37886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27522 states to 27522 states and 37886 transitions. [2021-11-06 17:47:25,440 INFO L78 Accepts]: Start accepts. Automaton has 27522 states and 37886 transitions. Word has length 207 [2021-11-06 17:47:25,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:47:25,440 INFO L470 AbstractCegarLoop]: Abstraction has 27522 states and 37886 transitions. [2021-11-06 17:47:25,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27522 states and 37886 transitions. [2021-11-06 17:47:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-06 17:47:25,449 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:47:25,450 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:47:25,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 17:47:25,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-06 17:47:25,660 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 17:47:25,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:47:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1327568015, now seen corresponding path program 1 times [2021-11-06 17:47:25,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:47:25,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521059650] [2021-11-06 17:47:25,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:25,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:47:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-06 17:47:26,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:47:26,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521059650] [2021-11-06 17:47:26,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521059650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 17:47:26,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276335320] [2021-11-06 17:47:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:47:26,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 17:47:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:47:26,196 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) [2021-11-06 17:47:26,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 17:47:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:47:28,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 4400 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-06 17:47:28,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 17:47:28,894 INFO L388 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 7 treesize of output 6 [2021-11-06 17:47:28,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-06 17:47:29,310 INFO L354 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2021-11-06 17:47:29,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-11-06 17:47:29,338 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-06 17:47:29,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2021-11-06 17:47:34,190 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-06 17:47:34,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 50 [2021-11-06 17:47:34,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-11-06 17:47:42,413 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 17:47:42,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2021-11-06 17:47:42,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-11-06 17:47:42,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 17:47:42,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-06 17:47:42,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441185264] [2021-11-06 17:47:42,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 17:47:42,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:47:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 17:47:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-06 17:47:42,422 INFO L87 Difference]: Start difference. First operand 27522 states and 37886 transitions. Second operand has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:47:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 17:47:42,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 17:47:42,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-06 17:47:42,624 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@503f361c at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:356) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:204) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:869) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:783) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2021-11-06 17:47:42,628 INFO L168 Benchmark]: Toolchain (without parser) took 259581.61 ms. Allocated memory was 117.4 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 69.8 MB in the beginning and 4.8 GB in the end (delta: -4.7 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,629 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 117.4 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 17:47:42,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3266.47 ms. Allocated memory was 117.4 MB in the beginning and 262.1 MB in the end (delta: 144.7 MB). Free memory was 69.7 MB in the beginning and 124.4 MB in the end (delta: -54.7 MB). Peak memory consumption was 131.8 MB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 1954.29 ms. Allocated memory was 262.1 MB in the beginning and 715.1 MB in the end (delta: 453.0 MB). Free memory was 124.4 MB in the beginning and 415.6 MB in the end (delta: -291.1 MB). Peak memory consumption was 263.6 MB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,629 INFO L168 Benchmark]: Boogie Preprocessor took 2651.95 ms. Allocated memory was 715.1 MB in the beginning and 2.1 GB in the end (delta: 1.4 GB). Free memory was 415.6 MB in the beginning and 1.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 253.8 MB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,630 INFO L168 Benchmark]: RCFGBuilder took 183968.35 ms. Allocated memory was 2.1 GB in the beginning and 6.4 GB in the end (delta: 4.2 GB). Free memory was 1.6 GB in the beginning and 5.2 GB in the end (delta: -3.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,630 INFO L168 Benchmark]: TraceAbstraction took 67719.10 ms. Allocated memory is still 6.4 GB. Free memory was 5.2 GB in the beginning and 4.8 GB in the end (delta: 435.0 MB). Peak memory consumption was 435.2 MB. Max. memory is 16.1 GB. [2021-11-06 17:47:42,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 117.4 MB. Free memory is still 74.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3266.47 ms. Allocated memory was 117.4 MB in the beginning and 262.1 MB in the end (delta: 144.7 MB). Free memory was 69.7 MB in the beginning and 124.4 MB in the end (delta: -54.7 MB). Peak memory consumption was 131.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1954.29 ms. Allocated memory was 262.1 MB in the beginning and 715.1 MB in the end (delta: 453.0 MB). Free memory was 124.4 MB in the beginning and 415.6 MB in the end (delta: -291.1 MB). Peak memory consumption was 263.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2651.95 ms. Allocated memory was 715.1 MB in the beginning and 2.1 GB in the end (delta: 1.4 GB). Free memory was 415.6 MB in the beginning and 1.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 253.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 183968.35 ms. Allocated memory was 2.1 GB in the beginning and 6.4 GB in the end (delta: 4.2 GB). Free memory was 1.6 GB in the beginning and 5.2 GB in the end (delta: -3.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. * TraceAbstraction took 67719.10 ms. Allocated memory is still 6.4 GB. Free memory was 5.2 GB in the beginning and 4.8 GB in the end (delta: 435.0 MB). Peak memory consumption was 435.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@503f361c de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@503f361c: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-06 17:47:42,837 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-06 17:47:42,868 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 17:47:44,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 17:47:44,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 17:47:44,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 17:47:44,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 17:47:44,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 17:47:44,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 17:47:44,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 17:47:44,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 17:47:44,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 17:47:44,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 17:47:44,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 17:47:44,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 17:47:44,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 17:47:44,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 17:47:44,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 17:47:44,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 17:47:44,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 17:47:44,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 17:47:44,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 17:47:44,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 17:47:44,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 17:47:44,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 17:47:44,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 17:47:44,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 17:47:44,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 17:47:44,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 17:47:44,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 17:47:44,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 17:47:44,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 17:47:44,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 17:47:44,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 17:47:44,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 17:47:44,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 17:47:44,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 17:47:44,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 17:47:44,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 17:47:44,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 17:47:44,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 17:47:44,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 17:47:44,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 17:47:44,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-06 17:47:44,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 17:47:44,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 17:47:44,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 17:47:44,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 17:47:44,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 17:47:44,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 17:47:44,892 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 17:47:44,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 17:47:44,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 17:47:44,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 17:47:44,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 17:47:44,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 17:47:44,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 17:47:44,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 17:47:44,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 17:47:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:47:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 17:47:44,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 17:47:44,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 17:47:44,896 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 17:47:44,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-06 17:47:44,902 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2021-11-06 17:47:45,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 17:47:45,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 17:47:45,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 17:47:45,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 17:47:45,215 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 17:47:45,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-06 17:47:45,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fa944b8/0ba0322b9782489b89be0b2ea984474b/FLAGb8c00edc2 [2021-11-06 17:47:45,996 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 17:47:45,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-06 17:47:46,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fa944b8/0ba0322b9782489b89be0b2ea984474b/FLAGb8c00edc2 [2021-11-06 17:47:46,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6fa944b8/0ba0322b9782489b89be0b2ea984474b [2021-11-06 17:47:46,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 17:47:46,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 17:47:46,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 17:47:46,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 17:47:46,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 17:47:46,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:47:46" (1/1) ... [2021-11-06 17:47:46,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee8a2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:46, skipping insertion in model container [2021-11-06 17:47:46,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:47:46" (1/1) ... [2021-11-06 17:47:46,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 17:47:46,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 17:47:49,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-06 17:47:49,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:47:49,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 17:47:49,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-06 17:47:49,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:47:49,880 INFO L208 MainTranslator]: Completed translation [2021-11-06 17:47:49,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49 WrapperNode [2021-11-06 17:47:49,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 17:47:49,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 17:47:49,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 17:47:49,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 17:47:49,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:49,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:51,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 17:47:51,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 17:47:51,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 17:47:51,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 17:47:51,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:51,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:52,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:52,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:52,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:53,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:53,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:53,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 17:47:53,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 17:47:53,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 17:47:53,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 17:47:53,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:47:49" (1/1) ... [2021-11-06 17:47:53,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:47:53,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:47:53,596 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) [2021-11-06 17:47:53,604 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 [2021-11-06 17:47:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-06 17:47:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 17:47:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-06 17:47:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 17:47:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-06 17:47:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-06 17:47:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-06 17:47:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-06 17:47:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 Killed by 15