./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 64bit --witnessprinter.graph.data.programhash c6624ba092218eb8fa31709edc238044b160367a ............................................................................................................................................................................................................................................................................................................................................................................................................... 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_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 64bit --witnessprinter.graph.data.programhash c6624ba092218eb8fa31709edc238044b160367a ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:28:27,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:28:27,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:28:27,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:28:27,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:28:27,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:28:27,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:28:27,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:28:27,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:28:27,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:28:27,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:28:27,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:28:27,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:28:27,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:28:27,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:28:27,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:28:27,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:28:27,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:28:27,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:28:27,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:28:27,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:28:27,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:28:27,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:28:27,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:28:27,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:28:27,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:28:27,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:28:27,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:28:27,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:28:27,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:28:27,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:28:27,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:28:27,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:28:27,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:28:27,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:28:27,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:28:27,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:28:27,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:28:27,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:28:27,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:28:27,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:28:27,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 12:28:27,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:28:27,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:28:27,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:28:27,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:28:27,651 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:28:27,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:28:27,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:28:27,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:28:27,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:28:27,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:28:27,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:28:27,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:28:27,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:28:27,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:28:27,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:28:27,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:28:27,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:28:27,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:28:27,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:28:27,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:28:27,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:28:27,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:28:27,656 INFO L138 SettingsManager]: * To the following directory=dump/ 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_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6624ba092218eb8fa31709edc238044b160367a [2019-12-07 12:28:27,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:28:27,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:28:27,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:28:27,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:28:27,774 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:28:27,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2019-12-07 12:28:27,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/6641f60bc/e32edb16112747e8bb1ab0f088ed6f1d/FLAGef45c391c [2019-12-07 12:28:28,371 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:28:28,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2019-12-07 12:28:28,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/6641f60bc/e32edb16112747e8bb1ab0f088ed6f1d/FLAGef45c391c [2019-12-07 12:28:28,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/6641f60bc/e32edb16112747e8bb1ab0f088ed6f1d [2019-12-07 12:28:28,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:28:28,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:28:28,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:28:28,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:28:28,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:28:28,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:28" (1/1) ... [2019-12-07 12:28:28,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3f5950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:28, skipping insertion in model container [2019-12-07 12:28:28,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:28:28" (1/1) ... [2019-12-07 12:28:28,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:28:28,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:28:31,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:28:31,599 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:28:31,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:28:32,426 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:28:32,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32 WrapperNode [2019-12-07 12:28:32,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:28:32,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:28:32,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:28:32,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:28:32,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:32,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:34,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:28:34,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:28:34,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:28:34,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:28:34,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:34,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:35,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:35,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:36,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:36,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:36,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... [2019-12-07 12:28:37,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:28:37,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:28:37,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:28:37,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:28:37,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 12:28:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-12-07 12:28:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2019-12-07 12:28:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 12:28:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 12:28:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:28:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2019-12-07 12:28:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2019-12-07 12:28:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2019-12-07 12:28:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:28:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2019-12-07 12:28:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2019-12-07 12:28:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2019-12-07 12:28:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2019-12-07 12:28:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:32:56,403 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:32:56,403 INFO L287 CfgBuilder]: Removed 34250 assume(true) statements. [2019-12-07 12:32:56,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:56 BoogieIcfgContainer [2019-12-07 12:32:56,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:32:56,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:32:56,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:32:56,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:32:56,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:28:28" (1/3) ... [2019-12-07 12:32:56,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc6633d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:56, skipping insertion in model container [2019-12-07 12:32:56,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:28:32" (2/3) ... [2019-12-07 12:32:56,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc6633d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:56, skipping insertion in model container [2019-12-07 12:32:56,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:56" (3/3) ... [2019-12-07 12:32:56,420 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2019-12-07 12:32:56,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:32:56,437 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:32:56,445 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:32:56,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:32:56,518 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:32:56,518 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:32:56,518 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:32:56,518 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:32:56,519 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:32:56,519 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:32:56,519 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:32:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 31608 states. [2019-12-07 12:32:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:32:56,748 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:32:56,749 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:32:56,749 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:32:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:32:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1887614758, now seen corresponding path program 1 times [2019-12-07 12:32:56,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:32:56,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492938317] [2019-12-07 12:32:56,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:32:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:32:57,587 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 12:32:57,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492938317] [2019-12-07 12:32:57,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:32:57,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:32:57,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068101019] [2019-12-07 12:32:57,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:32:57,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:32:57,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:32:57,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:32:57,602 INFO L87 Difference]: Start difference. First operand 31608 states. Second operand 3 states. [2019-12-07 12:33:21,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:33:21,186 INFO L93 Difference]: Finished difference Result 94713 states and 129293 transitions. [2019-12-07 12:33:21,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:33:21,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-12-07 12:33:21,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:33:21,389 INFO L225 Difference]: With dead ends: 94713 [2019-12-07 12:33:21,389 INFO L226 Difference]: Without dead ends: 62852 [2019-12-07 12:33:21,482 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 12:33:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62852 states. [2019-12-07 12:33:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62852 to 62852. [2019-12-07 12:33:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62852 states. [2019-12-07 12:33:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62852 states to 62852 states and 85249 transitions. [2019-12-07 12:33:22,721 INFO L78 Accepts]: Start accepts. Automaton has 62852 states and 85249 transitions. Word has length 36 [2019-12-07 12:33:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:33:22,722 INFO L462 AbstractCegarLoop]: Abstraction has 62852 states and 85249 transitions. [2019-12-07 12:33:22,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:33:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 62852 states and 85249 transitions. [2019-12-07 12:33:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 12:33:22,727 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:33:22,727 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:33:22,727 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:33:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:33:22,728 INFO L82 PathProgramCache]: Analyzing trace with hash 246723317, now seen corresponding path program 1 times [2019-12-07 12:33:22,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:33:22,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026825196] [2019-12-07 12:33:22,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:33:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:33:23,198 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 12:33:23,198 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026825196] [2019-12-07 12:33:23,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:33:23,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:33:23,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165296591] [2019-12-07 12:33:23,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:33:23,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:33:23,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:33:23,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:33:23,201 INFO L87 Difference]: Start difference. First operand 62852 states and 85249 transitions. Second operand 5 states. [2019-12-07 12:33:45,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:33:45,361 INFO L93 Difference]: Finished difference Result 188508 states and 255802 transitions. [2019-12-07 12:33:45,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:33:45,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-12-07 12:33:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:33:45,625 INFO L225 Difference]: With dead ends: 188508 [2019-12-07 12:33:45,626 INFO L226 Difference]: Without dead ends: 125675 [2019-12-07 12:33:45,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:33:45,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125675 states. [2019-12-07 12:33:47,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125675 to 125515. [2019-12-07 12:33:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125515 states. [2019-12-07 12:33:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125515 states to 125515 states and 170238 transitions. [2019-12-07 12:33:47,830 INFO L78 Accepts]: Start accepts. Automaton has 125515 states and 170238 transitions. Word has length 42 [2019-12-07 12:33:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:33:47,831 INFO L462 AbstractCegarLoop]: Abstraction has 125515 states and 170238 transitions. [2019-12-07 12:33:47,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:33:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 125515 states and 170238 transitions. [2019-12-07 12:33:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-07 12:33:47,961 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:33:47,961 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:33:47,962 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:33:47,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:33:47,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1806870766, now seen corresponding path program 1 times [2019-12-07 12:33:47,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:33:47,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252374740] [2019-12-07 12:33:47,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:33:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:33:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:33:48,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252374740] [2019-12-07 12:33:48,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:33:48,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:33:48,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815758587] [2019-12-07 12:33:48,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:33:48,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:33:48,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:33:48,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:33:48,459 INFO L87 Difference]: Start difference. First operand 125515 states and 170238 transitions. Second operand 3 states. [2019-12-07 12:34:11,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:34:11,009 INFO L93 Difference]: Finished difference Result 360603 states and 489237 transitions. [2019-12-07 12:34:11,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:34:11,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-12-07 12:34:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:34:11,406 INFO L225 Difference]: With dead ends: 360603 [2019-12-07 12:34:11,406 INFO L226 Difference]: Without dead ends: 235111 [2019-12-07 12:34:11,565 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 12:34:11,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235111 states. [2019-12-07 12:34:18,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235111 to 235057. [2019-12-07 12:34:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235057 states. [2019-12-07 12:34:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235057 states to 235057 states and 318958 transitions. [2019-12-07 12:34:19,335 INFO L78 Accepts]: Start accepts. Automaton has 235057 states and 318958 transitions. Word has length 208 [2019-12-07 12:34:19,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:34:19,336 INFO L462 AbstractCegarLoop]: Abstraction has 235057 states and 318958 transitions. [2019-12-07 12:34:19,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:34:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 235057 states and 318958 transitions. [2019-12-07 12:34:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-07 12:34:19,455 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:34:19,455 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:34:19,455 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:34:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:34:19,456 INFO L82 PathProgramCache]: Analyzing trace with hash -158453511, now seen corresponding path program 1 times [2019-12-07 12:34:19,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:34:19,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347500296] [2019-12-07 12:34:19,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:34:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:34:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:34:19,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347500296] [2019-12-07 12:34:19,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:34:19,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:34:19,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263733243] [2019-12-07 12:34:19,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:34:19,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:34:19,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:34:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:34:19,880 INFO L87 Difference]: Start difference. First operand 235057 states and 318958 transitions. Second operand 3 states. [2019-12-07 12:34:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:34:44,243 INFO L93 Difference]: Finished difference Result 626189 states and 850208 transitions. [2019-12-07 12:34:44,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:34:44,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-12-07 12:34:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:34:44,908 INFO L225 Difference]: With dead ends: 626189 [2019-12-07 12:34:44,908 INFO L226 Difference]: Without dead ends: 391155 [2019-12-07 12:34:45,191 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 12:34:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391155 states. [2019-12-07 12:34:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391155 to 383157. [2019-12-07 12:34:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383157 states. [2019-12-07 12:34:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383157 states to 383157 states and 520143 transitions. [2019-12-07 12:34:51,036 INFO L78 Accepts]: Start accepts. Automaton has 383157 states and 520143 transitions. Word has length 216 [2019-12-07 12:34:51,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:34:51,036 INFO L462 AbstractCegarLoop]: Abstraction has 383157 states and 520143 transitions. [2019-12-07 12:34:51,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:34:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 383157 states and 520143 transitions. [2019-12-07 12:34:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-12-07 12:34:51,122 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:34:51,123 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:34:51,123 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:34:51,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:34:51,123 INFO L82 PathProgramCache]: Analyzing trace with hash 2146117263, now seen corresponding path program 1 times [2019-12-07 12:34:51,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:34:51,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18092490] [2019-12-07 12:34:51,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:34:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:34:51,612 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-12-07 12:34:51,657 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: UNKNOWN during nested interpolation. I don't know how to continue at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:363) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 12:34:51,660 INFO L168 Benchmark]: Toolchain (without parser) took 382862.21 ms. Allocated memory was 1.0 GB in the beginning and 6.3 GB in the end (delta: 5.3 GB). Free memory was 924.6 MB in the beginning and 1.5 GB in the end (delta: -621.2 MB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,660 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:34:51,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3628.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 924.6 MB in the beginning and 985.2 MB in the end (delta: -60.6 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 2521.50 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 657.5 MB). Free memory was 985.2 MB in the beginning and 1.2 GB in the end (delta: -241.0 MB). Peak memory consumption was 645.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,662 INFO L168 Benchmark]: Boogie Preprocessor took 2369.33 ms. Allocated memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 31.5 MB). Free memory was 1.2 GB in the beginning and 842.4 MB in the end (delta: 383.7 MB). Peak memory consumption was 875.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,663 INFO L168 Benchmark]: RCFGBuilder took 259096.26 ms. Allocated memory was 1.9 GB in the beginning and 6.0 GB in the end (delta: 4.1 GB). Free memory was 842.4 MB in the beginning and 4.5 GB in the end (delta: -3.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,663 INFO L168 Benchmark]: TraceAbstraction took 115243.41 ms. Allocated memory was 6.0 GB in the beginning and 6.3 GB in the end (delta: 336.6 MB). Free memory was 4.5 GB in the beginning and 1.5 GB in the end (delta: 3.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2019-12-07 12:34:51,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3628.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 924.6 MB in the beginning and 985.2 MB in the end (delta: -60.6 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 2521.50 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 657.5 MB). Free memory was 985.2 MB in the beginning and 1.2 GB in the end (delta: -241.0 MB). Peak memory consumption was 645.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 2369.33 ms. Allocated memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 31.5 MB). Free memory was 1.2 GB in the beginning and 842.4 MB in the end (delta: 383.7 MB). Peak memory consumption was 875.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 259096.26 ms. Allocated memory was 1.9 GB in the beginning and 6.0 GB in the end (delta: 4.1 GB). Free memory was 842.4 MB in the beginning and 4.5 GB in the end (delta: -3.7 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * TraceAbstraction took 115243.41 ms. Allocated memory was 6.0 GB in the beginning and 6.3 GB in the end (delta: 336.6 MB). Free memory was 4.5 GB in the beginning and 1.5 GB in the end (delta: 3.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: UNKNOWN during nested interpolation. I don't know how to continue de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: UNKNOWN during nested interpolation. I don't know how to continue: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:363) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:34:53,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:34:53,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:34:53,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:34:53,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:34:53,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:34:53,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:34:53,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:34:53,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:34:53,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:34:53,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:34:53,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:34:53,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:34:53,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:34:53,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:34:53,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:34:53,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:34:53,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:34:53,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:34:53,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:34:53,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:34:53,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:34:53,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:34:53,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:34:53,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:34:53,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:34:53,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:34:53,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:34:53,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:34:53,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:34:53,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:34:53,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:34:53,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:34:53,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:34:53,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:34:53,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:34:53,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:34:53,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:34:53,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:34:53,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:34:53,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:34:53,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 12:34:53,682 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:34:53,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:34:53,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:34:53,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:34:53,684 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:34:53,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:34:53,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:34:53,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:34:53,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:34:53,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:34:53,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:34:53,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:34:53,686 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:34:53,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:34:53,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:34:53,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:34:53,687 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 12:34:53,687 INFO L138 SettingsManager]: * To the following directory=dump/ 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_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6624ba092218eb8fa31709edc238044b160367a [2019-12-07 12:34:53,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:34:53,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:34:53,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:34:53,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:34:53,864 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:34:53,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2019-12-07 12:34:53,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/e2f6169b9/ed046865bccd4ce896e7b4a98bbea1cb/FLAGdf9f0749d [2019-12-07 12:34:54,458 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:34:54,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--oki-semi--pch_gbe--pch_gbe.ko-entry_point.cil.out.i [2019-12-07 12:34:54,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/e2f6169b9/ed046865bccd4ce896e7b4a98bbea1cb/FLAGdf9f0749d [2019-12-07 12:34:54,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/bin/uautomizer/data/e2f6169b9/ed046865bccd4ce896e7b4a98bbea1cb [2019-12-07 12:34:54,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:34:54,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:34:54,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:54,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:34:54,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:34:54,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:54" (1/1) ... [2019-12-07 12:34:54,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb5eb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:54, skipping insertion in model container [2019-12-07 12:34:54,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:34:54" (1/1) ... [2019-12-07 12:34:54,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:34:55,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:34:57,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:34:57,832 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:34:58,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:34:58,828 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:34:58,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58 WrapperNode [2019-12-07 12:34:58,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:34:58,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:34:58,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:34:58,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:34:58,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:34:58,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:01,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:35:01,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:35:01,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:35:01,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:35:01,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:01,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:01,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:01,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:02,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:02,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:03,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... [2019-12-07 12:35:03,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:35:03,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:35:03,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:35:03,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:35:03,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:34:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e144eff-803d-4af3-bc0f-cd0c2feb3aa2/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 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2019-12-07 12:35:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-12-07 12:35:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 12:35:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:35:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2019-12-07 12:35:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2019-12-07 12:35:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 12:35:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2019-12-07 12:35:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2019-12-07 12:35:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2019-12-07 12:35:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2019-12-07 12:35:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2019-12-07 12:37:59,948 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 12:37:59,949 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:214) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:722) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:656) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:570) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 26 more [2019-12-07 12:37:59,953 INFO L168 Benchmark]: Toolchain (without parser) took 185015.93 ms. Allocated memory was 1.0 GB in the beginning and 5.8 GB in the end (delta: 4.8 GB). Free memory was 930.8 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2019-12-07 12:37:59,953 INFO L168 Benchmark]: CDTParser took 0.17 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 12:37:59,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3891.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 930.8 MB in the beginning and 766.6 MB in the end (delta: 164.2 MB). Peak memory consumption was 419.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:59,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 2400.24 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 450.9 MB). Free memory was 766.6 MB in the beginning and 736.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 481.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:59,955 INFO L168 Benchmark]: Boogie Preprocessor took 2651.64 ms. Allocated memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: 558.9 MB). Free memory was 736.0 MB in the beginning and 1.4 GB in the end (delta: -685.1 MB). Peak memory consumption was 603.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:59,955 INFO L168 Benchmark]: RCFGBuilder took 176069.78 ms. Allocated memory was 2.3 GB in the beginning and 5.8 GB in the end (delta: 3.5 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2019-12-07 12:37:59,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 3891.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 930.8 MB in the beginning and 766.6 MB in the end (delta: 164.2 MB). Peak memory consumption was 419.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 2400.24 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 450.9 MB). Free memory was 766.6 MB in the beginning and 736.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 481.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 2651.64 ms. Allocated memory was 1.7 GB in the beginning and 2.3 GB in the end (delta: 558.9 MB). Free memory was 736.0 MB in the beginning and 1.4 GB in the end (delta: -685.1 MB). Peak memory consumption was 603.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176069.78 ms. Allocated memory was 2.3 GB in the beginning and 5.8 GB in the end (delta: 3.5 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...