./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3817421489e8c4b22e62c621a5d295134071c97 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3817421489e8c4b22e62c621a5d295134071c97 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:58:12,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:58:12,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:58:12,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:58:12,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:58:12,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:58:12,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:58:12,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:58:12,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:58:12,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:58:12,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:58:12,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:58:12,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:58:12,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:58:12,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:58:12,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:58:12,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:58:12,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:58:12,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:58:12,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:58:12,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:58:12,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:58:12,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:58:12,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:58:12,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:58:12,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:58:12,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:58:12,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:58:12,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:58:12,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:58:12,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:58:12,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:58:12,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:58:12,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:58:12,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:58:12,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:58:12,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:58:12,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:58:12,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:58:12,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:58:12,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:58:12,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:58:12,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:58:12,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:58:12,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:58:12,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:58:12,236 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:58:12,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:58:12,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:58:12,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:58:12,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:58:12,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:58:12,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:58:12,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:58:12,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:58:12,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:58:12,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:58:12,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:58:12,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:58:12,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:58:12,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:58:12,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:58:12,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:58:12,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:58:12,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:58:12,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:58:12,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer 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(__VERIFIER_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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3817421489e8c4b22e62c621a5d295134071c97 [2019-12-07 14:58:12,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:58:12,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:58:12,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:58:12,353 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:58:12,353 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:58:12,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-12-07 14:58:12,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/149ec7b1f/bb7fd76b0e5d42e6b0f25aaf050a704c/FLAGe59be84fa [2019-12-07 14:58:12,862 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:58:12,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-12-07 14:58:12,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/149ec7b1f/bb7fd76b0e5d42e6b0f25aaf050a704c/FLAGe59be84fa [2019-12-07 14:58:12,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/149ec7b1f/bb7fd76b0e5d42e6b0f25aaf050a704c [2019-12-07 14:58:12,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:58:12,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:58:12,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:12,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:58:12,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:58:12,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:12" (1/1) ... [2019-12-07 14:58:12,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652c758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:12, skipping insertion in model container [2019-12-07 14:58:12,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:12" (1/1) ... [2019-12-07 14:58:12,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:58:12,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:58:13,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:13,805 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:58:13,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:14,163 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:58:14,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14 WrapperNode [2019-12-07 14:58:14,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:14,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:14,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:58:14,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:58:14,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:14,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:58:14,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:58:14,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:58:14,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... [2019-12-07 14:58:14,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:58:14,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:58:14,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:58:14,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:58:14,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:58:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:58:14,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:58:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 14:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:58:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:58:17,286 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:58:17,287 INFO L287 CfgBuilder]: Removed 609 assume(true) statements. [2019-12-07 14:58:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:17 BoogieIcfgContainer [2019-12-07 14:58:17,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:58:17,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:58:17,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:58:17,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:58:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:58:12" (1/3) ... [2019-12-07 14:58:17,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea09f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:58:17, skipping insertion in model container [2019-12-07 14:58:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:14" (2/3) ... [2019-12-07 14:58:17,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea09f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:58:17, skipping insertion in model container [2019-12-07 14:58:17,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:17" (3/3) ... [2019-12-07 14:58:17,293 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2019-12-07 14:58:17,299 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:58:17,305 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-12-07 14:58:17,312 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-12-07 14:58:17,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:58:17,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:58:17,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:58:17,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:58:17,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:58:17,335 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:58:17,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:58:17,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:58:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states. [2019-12-07 14:58:17,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:58:17,366 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:17,367 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:17,367 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:17,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2019-12-07 14:58:17,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:17,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153440841] [2019-12-07 14:58:17,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:58:17,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153440841] [2019-12-07 14:58:17,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:17,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:58:17,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888587091] [2019-12-07 14:58:17,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:58:17,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:17,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:58:17,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:58:17,629 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 2 states. [2019-12-07 14:58:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:17,674 INFO L93 Difference]: Finished difference Result 1183 states and 1507 transitions. [2019-12-07 14:58:17,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:58:17,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 14:58:17,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:17,687 INFO L225 Difference]: With dead ends: 1183 [2019-12-07 14:58:17,687 INFO L226 Difference]: Without dead ends: 582 [2019-12-07 14:58:17,691 INFO L630 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 [2019-12-07 14:58:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-12-07 14:58:17,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-12-07 14:58:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-12-07 14:58:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 677 transitions. [2019-12-07 14:58:17,739 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 677 transitions. Word has length 11 [2019-12-07 14:58:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:17,739 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 677 transitions. [2019-12-07 14:58:17,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:58:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 677 transitions. [2019-12-07 14:58:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:58:17,740 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:17,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:17,740 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2019-12-07 14:58:17,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:17,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721275840] [2019-12-07 14:58:17,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:58:17,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721275840] [2019-12-07 14:58:17,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:17,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:58:17,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552439725] [2019-12-07 14:58:17,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:58:17,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:17,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:58:17,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:58:17,815 INFO L87 Difference]: Start difference. First operand 582 states and 677 transitions. Second operand 3 states. [2019-12-07 14:58:17,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:17,858 INFO L93 Difference]: Finished difference Result 1163 states and 1354 transitions. [2019-12-07 14:58:17,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:58:17,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-07 14:58:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:17,862 INFO L225 Difference]: With dead ends: 1163 [2019-12-07 14:58:17,862 INFO L226 Difference]: Without dead ends: 586 [2019-12-07 14:58:17,864 INFO L630 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 [2019-12-07 14:58:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-12-07 14:58:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 584. [2019-12-07 14:58:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-12-07 14:58:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 679 transitions. [2019-12-07 14:58:17,877 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 679 transitions. Word has length 11 [2019-12-07 14:58:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:17,878 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 679 transitions. [2019-12-07 14:58:17,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:58:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 679 transitions. [2019-12-07 14:58:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 14:58:17,878 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:17,878 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:17,879 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:17,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:17,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1488032985, now seen corresponding path program 1 times [2019-12-07 14:58:17,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:17,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622150622] [2019-12-07 14:58:17,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:18,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622150622] [2019-12-07 14:58:18,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099409660] [2019-12-07 14:58:18,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:18,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:58:18,276 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:18,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:18,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-12-07 14:58:18,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601861115] [2019-12-07 14:58:18,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:58:18,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:18,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:58:18,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:58:18,294 INFO L87 Difference]: Start difference. First operand 584 states and 679 transitions. Second operand 5 states. [2019-12-07 14:58:18,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:18,346 INFO L93 Difference]: Finished difference Result 1166 states and 1356 transitions. [2019-12-07 14:58:18,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:58:18,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-12-07 14:58:18,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:18,349 INFO L225 Difference]: With dead ends: 1166 [2019-12-07 14:58:18,349 INFO L226 Difference]: Without dead ends: 588 [2019-12-07 14:58:18,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:58:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-12-07 14:58:18,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 586. [2019-12-07 14:58:18,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-12-07 14:58:18,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 681 transitions. [2019-12-07 14:58:18,367 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 681 transitions. Word has length 15 [2019-12-07 14:58:18,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:18,368 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 681 transitions. [2019-12-07 14:58:18,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:58:18,368 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 681 transitions. [2019-12-07 14:58:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:58:18,368 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:18,369 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:18,569 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:18,571 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:18,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 2 times [2019-12-07 14:58:18,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:18,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240425031] [2019-12-07 14:58:18,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:18,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240425031] [2019-12-07 14:58:18,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018581572] [2019-12-07 14:58:18,780 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:20,398 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 14:58:20,398 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:20,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:58:20,407 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:20,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:20,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-12-07 14:58:20,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499308982] [2019-12-07 14:58:20,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:58:20,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:20,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:58:20,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:58:20,415 INFO L87 Difference]: Start difference. First operand 586 states and 681 transitions. Second operand 6 states. [2019-12-07 14:58:20,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:20,460 INFO L93 Difference]: Finished difference Result 1168 states and 1358 transitions. [2019-12-07 14:58:20,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:58:20,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-12-07 14:58:20,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:20,462 INFO L225 Difference]: With dead ends: 1168 [2019-12-07 14:58:20,462 INFO L226 Difference]: Without dead ends: 590 [2019-12-07 14:58:20,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:58:20,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-12-07 14:58:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 588. [2019-12-07 14:58:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-12-07 14:58:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 683 transitions. [2019-12-07 14:58:20,474 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 683 transitions. Word has length 17 [2019-12-07 14:58:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:20,474 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 683 transitions. [2019-12-07 14:58:20,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:58:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 683 transitions. [2019-12-07 14:58:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:58:20,475 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:20,475 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:20,675 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:20,676 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:20,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:20,676 INFO L82 PathProgramCache]: Analyzing trace with hash -886365987, now seen corresponding path program 3 times [2019-12-07 14:58:20,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:20,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492185888] [2019-12-07 14:58:20,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:20,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492185888] [2019-12-07 14:58:20,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790839258] [2019-12-07 14:58:20,776 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:28,456 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-07 14:58:28,456 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:28,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:58:28,478 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:28,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:28,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-12-07 14:58:28,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646720121] [2019-12-07 14:58:28,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:58:28,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:28,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:58:28,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:58:28,486 INFO L87 Difference]: Start difference. First operand 588 states and 683 transitions. Second operand 7 states. [2019-12-07 14:58:28,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:28,541 INFO L93 Difference]: Finished difference Result 1170 states and 1360 transitions. [2019-12-07 14:58:28,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:58:28,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-12-07 14:58:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:28,544 INFO L225 Difference]: With dead ends: 1170 [2019-12-07 14:58:28,545 INFO L226 Difference]: Without dead ends: 592 [2019-12-07 14:58:28,546 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:58:28,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-12-07 14:58:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 590. [2019-12-07 14:58:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-12-07 14:58:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 685 transitions. [2019-12-07 14:58:28,561 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 685 transitions. Word has length 19 [2019-12-07 14:58:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:28,561 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 685 transitions. [2019-12-07 14:58:28,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:58:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 685 transitions. [2019-12-07 14:58:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 14:58:28,562 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:28,563 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:28,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:28,764 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1146206751, now seen corresponding path program 4 times [2019-12-07 14:58:28,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:28,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699308666] [2019-12-07 14:58:28,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:28,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699308666] [2019-12-07 14:58:28,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485744000] [2019-12-07 14:58:28,903 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:29,045 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-07 14:58:29,045 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:29,046 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 14:58:29,048 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:29,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:29,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-12-07 14:58:29,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516548380] [2019-12-07 14:58:29,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:58:29,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:29,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:58:29,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:58:29,059 INFO L87 Difference]: Start difference. First operand 590 states and 685 transitions. Second operand 8 states. [2019-12-07 14:58:29,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:29,133 INFO L93 Difference]: Finished difference Result 1172 states and 1362 transitions. [2019-12-07 14:58:29,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:58:29,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-12-07 14:58:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:29,136 INFO L225 Difference]: With dead ends: 1172 [2019-12-07 14:58:29,136 INFO L226 Difference]: Without dead ends: 594 [2019-12-07 14:58:29,137 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:58:29,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-12-07 14:58:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2019-12-07 14:58:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-12-07 14:58:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 687 transitions. [2019-12-07 14:58:29,147 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 687 transitions. Word has length 21 [2019-12-07 14:58:29,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:29,147 INFO L462 AbstractCegarLoop]: Abstraction has 592 states and 687 transitions. [2019-12-07 14:58:29,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:58:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 687 transitions. [2019-12-07 14:58:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 14:58:29,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:29,148 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:29,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:29,349 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:29,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:29,349 INFO L82 PathProgramCache]: Analyzing trace with hash 238488289, now seen corresponding path program 5 times [2019-12-07 14:58:29,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:29,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564825872] [2019-12-07 14:58:29,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:29,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564825872] [2019-12-07 14:58:29,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690957356] [2019-12-07 14:58:29,447 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:29,699 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2019-12-07 14:58:29,699 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:29,703 INFO L264 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:58:29,704 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:29,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:29,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-12-07 14:58:29,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633839966] [2019-12-07 14:58:29,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 14:58:29,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:29,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 14:58:29,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:58:29,715 INFO L87 Difference]: Start difference. First operand 592 states and 687 transitions. Second operand 9 states. [2019-12-07 14:58:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:29,773 INFO L93 Difference]: Finished difference Result 1174 states and 1364 transitions. [2019-12-07 14:58:29,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:58:29,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-12-07 14:58:29,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:29,777 INFO L225 Difference]: With dead ends: 1174 [2019-12-07 14:58:29,777 INFO L226 Difference]: Without dead ends: 596 [2019-12-07 14:58:29,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:58:29,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2019-12-07 14:58:29,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 594. [2019-12-07 14:58:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-12-07 14:58:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 689 transitions. [2019-12-07 14:58:29,791 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 689 transitions. Word has length 23 [2019-12-07 14:58:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:29,791 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 689 transitions. [2019-12-07 14:58:29,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 14:58:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 689 transitions. [2019-12-07 14:58:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:58:29,792 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:29,792 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:29,992 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:29,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:29,993 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 6 times [2019-12-07 14:58:29,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:29,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390200269] [2019-12-07 14:58:29,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:30,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390200269] [2019-12-07 14:58:30,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131327465] [2019-12-07 14:58:30,120 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:41,845 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-12-07 14:58:41,846 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:41,862 INFO L264 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:58:41,864 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:41,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:41,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-12-07 14:58:41,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130977875] [2019-12-07 14:58:41,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:58:41,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:41,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:58:41,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:58:41,875 INFO L87 Difference]: Start difference. First operand 594 states and 689 transitions. Second operand 10 states. [2019-12-07 14:58:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:41,933 INFO L93 Difference]: Finished difference Result 1176 states and 1366 transitions. [2019-12-07 14:58:41,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 14:58:41,933 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2019-12-07 14:58:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:41,936 INFO L225 Difference]: With dead ends: 1176 [2019-12-07 14:58:41,936 INFO L226 Difference]: Without dead ends: 598 [2019-12-07 14:58:41,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:58:41,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2019-12-07 14:58:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 596. [2019-12-07 14:58:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-12-07 14:58:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 691 transitions. [2019-12-07 14:58:41,947 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 691 transitions. Word has length 25 [2019-12-07 14:58:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:41,947 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 691 transitions. [2019-12-07 14:58:41,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:58:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 691 transitions. [2019-12-07 14:58:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 14:58:41,948 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:41,948 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:42,148 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:42,149 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:42,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:42,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1250536731, now seen corresponding path program 7 times [2019-12-07 14:58:42,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:42,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457461189] [2019-12-07 14:58:42,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:42,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457461189] [2019-12-07 14:58:42,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524023153] [2019-12-07 14:58:42,274 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:42,482 INFO L264 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 14:58:42,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:42,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:42,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-12-07 14:58:42,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238962943] [2019-12-07 14:58:42,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 14:58:42,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:42,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 14:58:42,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-12-07 14:58:42,494 INFO L87 Difference]: Start difference. First operand 596 states and 691 transitions. Second operand 11 states. [2019-12-07 14:58:42,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:42,560 INFO L93 Difference]: Finished difference Result 1178 states and 1368 transitions. [2019-12-07 14:58:42,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 14:58:42,561 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2019-12-07 14:58:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:42,563 INFO L225 Difference]: With dead ends: 1178 [2019-12-07 14:58:42,563 INFO L226 Difference]: Without dead ends: 600 [2019-12-07 14:58:42,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-12-07 14:58:42,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-12-07 14:58:42,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 598. [2019-12-07 14:58:42,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-12-07 14:58:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 693 transitions. [2019-12-07 14:58:42,576 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 693 transitions. Word has length 27 [2019-12-07 14:58:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:42,576 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 693 transitions. [2019-12-07 14:58:42,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 14:58:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 693 transitions. [2019-12-07 14:58:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 14:58:42,577 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:42,577 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:42,778 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:42,803 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:42,803 INFO L82 PathProgramCache]: Analyzing trace with hash -929527257, now seen corresponding path program 8 times [2019-12-07 14:58:42,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:42,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300301218] [2019-12-07 14:58:42,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:42,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300301218] [2019-12-07 14:58:42,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007145353] [2019-12-07 14:58:42,923 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:44,575 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 14:58:44,575 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:44,582 INFO L264 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 14:58:44,583 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:44,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:44,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-12-07 14:58:44,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971193584] [2019-12-07 14:58:44,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 14:58:44,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:44,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 14:58:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-12-07 14:58:44,593 INFO L87 Difference]: Start difference. First operand 598 states and 693 transitions. Second operand 12 states. [2019-12-07 14:58:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:44,658 INFO L93 Difference]: Finished difference Result 1180 states and 1370 transitions. [2019-12-07 14:58:44,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 14:58:44,658 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-12-07 14:58:44,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:44,660 INFO L225 Difference]: With dead ends: 1180 [2019-12-07 14:58:44,661 INFO L226 Difference]: Without dead ends: 602 [2019-12-07 14:58:44,661 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-12-07 14:58:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-07 14:58:44,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2019-12-07 14:58:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-12-07 14:58:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 695 transitions. [2019-12-07 14:58:44,675 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 695 transitions. Word has length 29 [2019-12-07 14:58:44,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:44,675 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 695 transitions. [2019-12-07 14:58:44,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 14:58:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 695 transitions. [2019-12-07 14:58:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 14:58:44,676 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:44,676 INFO L410 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:44,876 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:44,877 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:44,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:44,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1677068055, now seen corresponding path program 9 times [2019-12-07 14:58:44,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:44,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309830874] [2019-12-07 14:58:44,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:45,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309830874] [2019-12-07 14:58:45,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166791572] [2019-12-07 14:58:45,057 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:59,586 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-12-07 14:58:59,586 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:58:59,604 INFO L264 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:58:59,605 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:58:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:58:59,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:58:59,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-12-07 14:58:59,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394756116] [2019-12-07 14:58:59,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 14:58:59,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:59,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 14:58:59,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-12-07 14:58:59,616 INFO L87 Difference]: Start difference. First operand 600 states and 695 transitions. Second operand 13 states. [2019-12-07 14:58:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:59,689 INFO L93 Difference]: Finished difference Result 1181 states and 1371 transitions. [2019-12-07 14:58:59,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 14:58:59,690 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-12-07 14:58:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:58:59,692 INFO L225 Difference]: With dead ends: 1181 [2019-12-07 14:58:59,692 INFO L226 Difference]: Without dead ends: 603 [2019-12-07 14:58:59,693 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-12-07 14:58:59,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2019-12-07 14:58:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 602. [2019-12-07 14:58:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-07 14:58:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 697 transitions. [2019-12-07 14:58:59,702 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 697 transitions. Word has length 31 [2019-12-07 14:58:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:58:59,702 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 697 transitions. [2019-12-07 14:58:59,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 14:58:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 697 transitions. [2019-12-07 14:58:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 14:58:59,703 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:58:59,703 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:59,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:58:59,904 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:58:59,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:59,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 10 times [2019-12-07 14:58:59,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:59,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343711573] [2019-12-07 14:58:59,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:59:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:00,966 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:59:00,966 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:59:01,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:59:01 BoogieIcfgContainer [2019-12-07 14:59:01,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:59:01,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:59:01,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:59:01,094 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:59:01,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:17" (3/4) ... [2019-12-07 14:59:01,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:59:01,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:59:01,100 INFO L168 Benchmark]: Toolchain (without parser) took 48207.74 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 440.9 MB). Free memory was 939.3 MB in the beginning and 1.3 GB in the end (delta: -313.6 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,100 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:01,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 939.3 MB in the beginning and 887.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 176.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.81 ms. Allocated memory is still 1.1 GB. Free memory was 887.2 MB in the beginning and 871.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,101 INFO L168 Benchmark]: Boogie Preprocessor took 82.08 ms. Allocated memory is still 1.1 GB. Free memory was 871.1 MB in the beginning and 860.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,102 INFO L168 Benchmark]: RCFGBuilder took 2921.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 860.4 MB in the beginning and 968.5 MB in the end (delta: -108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,102 INFO L168 Benchmark]: TraceAbstraction took 43805.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 255.9 MB). Free memory was 968.5 MB in the beginning and 1.3 GB in the end (delta: -284.4 MB). Peak memory consumption was 412.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:01,103 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:01,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1271.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 939.3 MB in the beginning and 887.2 MB in the end (delta: 52.1 MB). Peak memory consumption was 176.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.81 ms. Allocated memory is still 1.1 GB. Free memory was 887.2 MB in the beginning and 871.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.08 ms. Allocated memory is still 1.1 GB. Free memory was 871.1 MB in the beginning and 860.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2921.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 860.4 MB in the beginning and 968.5 MB in the end (delta: -108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43805.27 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 255.9 MB). Free memory was 968.5 MB in the beginning and 1.3 GB in the end (delta: -284.4 MB). Peak memory consumption was 412.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 1481. Possible FailurePath: [L15] int current_execution_context; [L26] int (* _ddv_module_init)(void); [L27] void (* _ddv_module_exit)(void); [L227] unsigned long jiffies; [L1471] char _ddv_module_author[] = "Fernando Fuganti "; [L1472] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1473] char _ddv_module_license[] = "GPL"; [L1475] static int nowayout = 0; [L1476] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1480-L1484] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1485] static int action = 0; [L1486] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1488] static int zf_action = 0x0800; [L1489] static unsigned long zf_is_open; [L1490] static char zf_expect_close; [L1491] static spinlock_t zf_lock; [L1492] static spinlock_t zf_port_lock; [L1493] static struct timer_list zf_timer; [L1494] static unsigned long next_heartbeat = 0; [L1740-L1747] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1749-L1753] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1760-L1762] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1842] int (* _ddv_tmp_init)(void) = zf_init; [L1843] void (* _ddv_tmp_exit)(void) = zf_exit; [L1894] struct cdev fixed_cdev[1]; [L1895] int fixed_cdev_used = 0; [L1897] short number_cdev_registered = 0; [L1908] struct ddv_cdev cdev_registered[1]; [L2445] short number_genhd_registered = 0; [L2446] short number_fixed_genhd_used = 0; [L2457] struct gendisk fixed_gendisk[10]; [L2458] struct ddv_genhd genhd_registered[10]; [L2608] struct ddv_pci_driver registered_pci_driver; [L2619] struct registered_irq registered_irq[16]; [L2629] short number_tasklet_registered = 0; [L2636] struct ddv_tasklet tasklet_registered[1]; [L2646] short number_timer_registered = 0; [L2652] struct ddv_timer timer_registered[1]; [L2662] struct work_struct *shared_workqueue[10]; [L2672] spinlock_t kernel_lock; [L3358] request_queue_t fixed_request_queue[10]; [L3360] int number_request_queue_used = 0; [L3444] struct proc_dir_entry *proc_root_driver; [L3754] struct ddv_tty_driver global_tty_driver; [L3933] int ddv_ioport_request_start; [L3934] int ddv_ioport_request_len; VAL [={-1:8}, ={0:0}, ={-1:7}, ={0:0}, action=0, cdev_registered={41:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L1847] _ddv_module_init = zf_init [L1848] _ddv_module_exit = zf_exit [L2736] int err; [L2738] current_execution_context = 1 [L2676] int i; [L4193] lock->init = 1 [L4194] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2680] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2684] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2684] COND TRUE i < 1 [L2685] tasklet_registered[i].tasklet = ((void *)0) [L2686] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2684] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L2684] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L1773] int ret; [L4520] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L7] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] [L7] __VERIFIER_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={41:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={98:0}, fixed_cdev_used=0, fixed_gendisk={74:0}, fixed_request_queue={113:0}, genhd_registered={87:0}, global_tty_driver={47:0}, jiffies=0, kernel_lock={81:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={107:0}, registered_pci_driver={93:0}, shared_workqueue={99:0}, tasklet_registered={103:0}, timer_registered={102:0}, zf_action=2048, zf_expect_close=0, zf_fops={96:0}, zf_info={7:0}, zf_is_open={89:0}, zf_lock={52:0}, zf_miscdev={108:0}, zf_notifier={79:0}, zf_port_lock={59:0}, zf_timer={85:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 594 locations, 62 error locations. Result: UNSAFE, OverallTime: 43.6s, OverallIterations: 12, TraceHistogramMax: 10, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7411 SDtfs, 6085 SDslu, 11395 SDs, 0 SdLazy, 328 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 38.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 469 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 19084 SizeOfPredicates, 10 NumberOfNonLiveVariables, 5637 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 18/588 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:59:02,464 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-12-07 14:59:02,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:59:02,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:59:02,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:59:02,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:59:02,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:59:02,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:59:02,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:59:02,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:59:02,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:59:02,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:59:02,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:59:02,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:59:02,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:59:02,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:59:02,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:59:02,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:59:02,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:59:02,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:59:02,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:59:02,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:02,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:59:02,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:59:02,513 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer 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(__VERIFIER_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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3817421489e8c4b22e62c621a5d295134071c97 [2019-12-07 14:59:02,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:59:02,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:59:02,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:59:02,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:59:02,712 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:59:02,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-12-07 14:59:02,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/3551dcd42/7f7c89a1c7a24e6cb451e85ce7018ddb/FLAGd8ddca57e [2019-12-07 14:59:03,265 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:59:03,265 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2019-12-07 14:59:03,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/3551dcd42/7f7c89a1c7a24e6cb451e85ce7018ddb/FLAGd8ddca57e [2019-12-07 14:59:03,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/data/3551dcd42/7f7c89a1c7a24e6cb451e85ce7018ddb [2019-12-07 14:59:03,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:59:03,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:59:03,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:03,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:59:03,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:59:03,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:03" (1/1) ... [2019-12-07 14:59:03,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b80d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:03, skipping insertion in model container [2019-12-07 14:59:03,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:59:03" (1/1) ... [2019-12-07 14:59:03,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:59:03,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:59:04,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:04,629 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:59:04,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:59:05,108 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:59:05,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05 WrapperNode [2019-12-07 14:59:05,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:59:05,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:59:05,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:59:05,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:59:05,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:59:05,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:59:05,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:59:05,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:59:05,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... [2019-12-07 14:59:05,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:59:05,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:59:05,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:59:05,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:59:05,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:59:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:59:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:59:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 14:59:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 14:59:10,823 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:59:10,823 INFO L287 CfgBuilder]: Removed 609 assume(true) statements. [2019-12-07 14:59:10,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:10 BoogieIcfgContainer [2019-12-07 14:59:10,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:59:10,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:59:10,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:59:10,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:59:10,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:59:03" (1/3) ... [2019-12-07 14:59:10,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e2c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:10, skipping insertion in model container [2019-12-07 14:59:10,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:59:05" (2/3) ... [2019-12-07 14:59:10,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794e2c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:59:10, skipping insertion in model container [2019-12-07 14:59:10,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:10" (3/3) ... [2019-12-07 14:59:10,829 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2019-12-07 14:59:10,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:59:10,839 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 62 error locations. [2019-12-07 14:59:10,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2019-12-07 14:59:10,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:59:10,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:59:10,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:59:10,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:59:10,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:59:10,870 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:59:10,870 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:59:10,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:59:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states. [2019-12-07 14:59:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:59:10,894 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:10,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:10,895 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:10,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2019-12-07 14:59:10,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:10,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811836619] [2019-12-07 14:59:10,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 14:59:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:11,269 INFO L264 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:59:11,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:11,282 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:11,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811836619] [2019-12-07 14:59:11,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:11,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:59:11,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422882026] [2019-12-07 14:59:11,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:59:11,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:11,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:59:11,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:59:11,300 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 2 states. [2019-12-07 14:59:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:11,344 INFO L93 Difference]: Finished difference Result 1183 states and 1507 transitions. [2019-12-07 14:59:11,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:59:11,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 14:59:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:11,358 INFO L225 Difference]: With dead ends: 1183 [2019-12-07 14:59:11,358 INFO L226 Difference]: Without dead ends: 582 [2019-12-07 14:59:11,362 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:59:11,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-12-07 14:59:11,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2019-12-07 14:59:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-12-07 14:59:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 677 transitions. [2019-12-07 14:59:11,412 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 677 transitions. Word has length 11 [2019-12-07 14:59:11,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:11,413 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 677 transitions. [2019-12-07 14:59:11,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:59:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 677 transitions. [2019-12-07 14:59:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:59:11,413 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:11,413 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:11,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:59:11,615 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2019-12-07 14:59:11,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:11,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231937919] [2019-12-07 14:59:11,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 14:59:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:11,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:59:11,988 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:11,999 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:59:12,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231937919] [2019-12-07 14:59:12,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:59:12,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 14:59:12,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916249177] [2019-12-07 14:59:12,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:59:12,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:12,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:59:12,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:12,009 INFO L87 Difference]: Start difference. First operand 582 states and 677 transitions. Second operand 4 states. [2019-12-07 14:59:12,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:12,130 INFO L93 Difference]: Finished difference Result 1739 states and 2025 transitions. [2019-12-07 14:59:12,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:59:12,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-07 14:59:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:12,139 INFO L225 Difference]: With dead ends: 1739 [2019-12-07 14:59:12,139 INFO L226 Difference]: Without dead ends: 1162 [2019-12-07 14:59:12,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:59:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2019-12-07 14:59:12,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 586. [2019-12-07 14:59:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-12-07 14:59:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 681 transitions. [2019-12-07 14:59:12,166 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 681 transitions. Word has length 11 [2019-12-07 14:59:12,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:12,166 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 681 transitions. [2019-12-07 14:59:12,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:59:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 681 transitions. [2019-12-07 14:59:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 14:59:12,167 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:12,167 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:12,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:59:12,369 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:12,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2019-12-07 14:59:12,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:12,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153601569] [2019-12-07 14:59:12,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 14:59:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:59:12,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:59:12,750 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:59:12,765 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:59:12,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153601569] [2019-12-07 14:59:12,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:59:12,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 14:59:12,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819027536] [2019-12-07 14:59:12,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:59:12,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:12,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:59:12,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:59:12,806 INFO L87 Difference]: Start difference. First operand 586 states and 681 transitions. Second operand 8 states. [2019-12-07 14:59:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:13,053 INFO L93 Difference]: Finished difference Result 1172 states and 1365 transitions. [2019-12-07 14:59:13,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:59:13,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-12-07 14:59:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:13,058 INFO L225 Difference]: With dead ends: 1172 [2019-12-07 14:59:13,058 INFO L226 Difference]: Without dead ends: 594 [2019-12-07 14:59:13,059 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:59:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-12-07 14:59:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2019-12-07 14:59:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-12-07 14:59:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 688 transitions. [2019-12-07 14:59:13,073 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 688 transitions. Word has length 17 [2019-12-07 14:59:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:13,073 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 688 transitions. [2019-12-07 14:59:13,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:59:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 688 transitions. [2019-12-07 14:59:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 14:59:13,074 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:13,074 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:13,274 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:59:13,275 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:13,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:13,276 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2019-12-07 14:59:13,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:13,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124466515] [2019-12-07 14:59:13,277 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 14:59:23,479 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 14:59:23,479 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:59:23,628 INFO L264 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:59:23,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:59:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:59:23,677 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:59:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 14:59:23,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124466515] [2019-12-07 14:59:23,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:59:23,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2019-12-07 14:59:23,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602961102] [2019-12-07 14:59:23,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 14:59:23,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:59:23,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 14:59:23,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-12-07 14:59:23,842 INFO L87 Difference]: Start difference. First operand 594 states and 688 transitions. Second operand 16 states. [2019-12-07 14:59:24,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:59:24,410 INFO L93 Difference]: Finished difference Result 1180 states and 1371 transitions. [2019-12-07 14:59:24,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 14:59:24,410 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2019-12-07 14:59:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:59:24,413 INFO L225 Difference]: With dead ends: 1180 [2019-12-07 14:59:24,413 INFO L226 Difference]: Without dead ends: 602 [2019-12-07 14:59:24,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2019-12-07 14:59:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-07 14:59:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-07 14:59:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-07 14:59:24,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 696 transitions. [2019-12-07 14:59:24,427 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 696 transitions. Word has length 25 [2019-12-07 14:59:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:59:24,427 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 696 transitions. [2019-12-07 14:59:24,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 14:59:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 696 transitions. [2019-12-07 14:59:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 14:59:24,428 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:59:24,428 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:59:24,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:59:24,629 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:59:24,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:59:24,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2019-12-07 14:59:24,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:59:24,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305195697] [2019-12-07 14:59:24,630 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_325bd43a-96af-4b67-ac5b-1d67d0fb81ee/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 14:59:37,758 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2019-12-07 14:59:37,758 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-12-07 14:59:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:59:47,641 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 14:59:47,641 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:59:47,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:59:48,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:59:48 BoogieIcfgContainer [2019-12-07 14:59:48,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:59:48,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:59:48,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:59:48,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:59:48,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:59:10" (3/4) ... [2019-12-07 14:59:48,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:59:48,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:59:48,029 INFO L168 Benchmark]: Toolchain (without parser) took 44495.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 300.4 MB). Free memory was 947.0 MB in the beginning and 786.0 MB in the end (delta: 161.0 MB). Peak memory consumption was 461.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,030 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:48,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1573.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 947.0 MB in the beginning and 869.1 MB in the end (delta: 77.9 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.54 ms. Allocated memory is still 1.1 GB. Free memory was 869.1 MB in the beginning and 855.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,031 INFO L168 Benchmark]: Boogie Preprocessor took 93.49 ms. Allocated memory is still 1.1 GB. Free memory was 855.5 MB in the beginning and 835.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,031 INFO L168 Benchmark]: RCFGBuilder took 5499.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.7 MB). Free memory was 835.3 MB in the beginning and 908.8 MB in the end (delta: -73.6 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,032 INFO L168 Benchmark]: TraceAbstraction took 37199.72 ms. Allocated memory is still 1.3 GB. Free memory was 908.8 MB in the beginning and 786.0 MB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:59:48,032 INFO L168 Benchmark]: Witness Printer took 3.30 ms. Allocated memory is still 1.3 GB. Free memory is still 786.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:59:48,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1573.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 947.0 MB in the beginning and 869.1 MB in the end (delta: 77.9 MB). Peak memory consumption was 202.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.54 ms. Allocated memory is still 1.1 GB. Free memory was 869.1 MB in the beginning and 855.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.49 ms. Allocated memory is still 1.1 GB. Free memory was 855.5 MB in the beginning and 835.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5499.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.7 MB). Free memory was 835.3 MB in the beginning and 908.8 MB in the end (delta: -73.6 MB). Peak memory consumption was 163.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37199.72 ms. Allocated memory is still 1.3 GB. Free memory was 908.8 MB in the beginning and 786.0 MB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.30 ms. Allocated memory is still 1.3 GB. Free memory is still 786.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1471. Possible FailurePath: [L15] int current_execution_context; [L26] int (* _ddv_module_init)(void); [L27] void (* _ddv_module_exit)(void); [L227] unsigned long jiffies; [L1471] char _ddv_module_author[] = "Fernando Fuganti "; [L1472] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1473] char _ddv_module_license[] = "GPL"; [L1475] static int nowayout = 0; [L1476] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1480-L1484] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1485] static int action = 0; [L1486] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1488] static int zf_action = 0x0800; [L1489] static unsigned long zf_is_open; [L1490] static char zf_expect_close; [L1491] static spinlock_t zf_lock; [L1492] static spinlock_t zf_port_lock; [L1493] static struct timer_list zf_timer; [L1494] static unsigned long next_heartbeat = 0; [L1740-L1747] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1749-L1753] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1760-L1762] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1842] int (* _ddv_tmp_init)(void) = zf_init; [L1843] void (* _ddv_tmp_exit)(void) = zf_exit; [L1894] struct cdev fixed_cdev[1]; [L1895] int fixed_cdev_used = 0; [L1897] short number_cdev_registered = 0; [L1908] struct ddv_cdev cdev_registered[1]; [L2445] short number_genhd_registered = 0; [L2446] short number_fixed_genhd_used = 0; [L2457] struct gendisk fixed_gendisk[10]; [L2458] struct ddv_genhd genhd_registered[10]; [L2608] struct ddv_pci_driver registered_pci_driver; [L2619] struct registered_irq registered_irq[16]; [L2629] short number_tasklet_registered = 0; [L2636] struct ddv_tasklet tasklet_registered[1]; [L2646] short number_timer_registered = 0; [L2652] struct ddv_timer timer_registered[1]; [L2662] struct work_struct *shared_workqueue[10]; [L2672] spinlock_t kernel_lock; [L3358] request_queue_t fixed_request_queue[10]; [L3360] int number_request_queue_used = 0; [L3444] struct proc_dir_entry *proc_root_driver; [L3754] struct ddv_tty_driver global_tty_driver; [L3933] int ddv_ioport_request_start; [L3934] int ddv_ioport_request_len; VAL [={-1:8}, ={0:0}, ={0:0}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L1847] _ddv_module_init = zf_init [L1848] _ddv_module_exit = zf_exit [L2736] int err; [L2738] current_execution_context = 1 [L2676] int i; [L4193] lock->init = 1 [L4194] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND TRUE i < 10 [L2681] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2680] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2684] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2684] COND TRUE i < 1 [L2685] tasklet_registered[i].tasklet = ((void *)0) [L2686] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2684] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L2684] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L1773] int ret; [L4520] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L7] COND TRUE !expression VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] [L7] __VERIFIER_error() VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1021149148:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={2089500639:0}, fixed_cdev_used=0, fixed_gendisk={1023360990:0}, fixed_request_queue={486490069:0}, genhd_registered={1023131615:0}, global_tty_driver={-1660993579:0}, jiffies=0, kernel_lock={1828667348:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={2097102804:0}, registered_pci_driver={-184598568:0}, shared_workqueue={-587251755:0}, tasklet_registered={1560231892:0}, timer_registered={486490070:0}, zf_action=2048, zf_expect_close=0, zf_fops={1023360988:0}, zf_info={-587251768:0}, zf_is_open={-721469474:0}, zf_lock={-654360612:0}, zf_miscdev={-1124122660:0}, zf_notifier={-687915048:0}, zf_port_lock={1553678291:0}, zf_timer={1284194015:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 594 locations, 62 error locations. Result: UNSAFE, OverallTime: 36.9s, OverallIterations: 5, TraceHistogramMax: 10, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2706 SDtfs, 4709 SDslu, 6682 SDs, 0 SdLazy, 197 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 576 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 23.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 4680 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1644 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 4/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...