./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 421c1ce510bb92ff52c2b6487f32b0bc37caaab2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 421c1ce510bb92ff52c2b6487f32b0bc37caaab2 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:03:33,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:03:33,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:03:33,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:03:33,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:03:33,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:03:33,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:03:33,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:03:33,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:03:33,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:03:33,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:03:33,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:03:33,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:03:33,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:03:33,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:03:33,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:03:33,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:03:33,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:03:33,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:03:33,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:03:33,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:03:33,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:03:33,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:03:33,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:03:33,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:03:33,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:03:33,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:03:33,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:03:33,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:03:33,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:03:33,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:03:33,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:03:33,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:03:33,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:03:33,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:03:33,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:03:33,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:03:33,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:03:33,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:03:33,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:03:33,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:03:33,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 11:03:33,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:03:33,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:03:33,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:03:33,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:03:33,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:03:33,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:03:33,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:03:33,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:03:33,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:03:33,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:03:33,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:03:33,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:03:33,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:03:33,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:03:33,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:03:33,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:03:33,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:03:33,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:03:33,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:03:33,637 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:03:33,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:03:33,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:03:33,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:03:33,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:03:33,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:03:33,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:03:33,639 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:03:33,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:03:33,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:03:33,640 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_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak 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 -> Kojak 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 -> 421c1ce510bb92ff52c2b6487f32b0bc37caaab2 [2019-11-20 11:03:33,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:03:33,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:03:33,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:03:33,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:03:33,873 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:03:33,874 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-11-20 11:03:33,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/b4eb262fc/9de1257944594d798e90fb1727ed32ac/FLAG78f977b26 [2019-11-20 11:03:34,459 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:03:34,460 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-11-20 11:03:34,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/b4eb262fc/9de1257944594d798e90fb1727ed32ac/FLAG78f977b26 [2019-11-20 11:03:34,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/b4eb262fc/9de1257944594d798e90fb1727ed32ac [2019-11-20 11:03:34,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:03:34,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:03:34,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:03:34,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:03:34,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:03:34,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:03:34" (1/1) ... [2019-11-20 11:03:34,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674759fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:34, skipping insertion in model container [2019-11-20 11:03:34,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:03:34" (1/1) ... [2019-11-20 11:03:34,847 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:03:34,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:03:35,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:03:35,248 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:03:35,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:03:35,372 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:03:35,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35 WrapperNode [2019-11-20 11:03:35,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:03:35,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:03:35,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:03:35,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:03:35,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:03:35,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:03:35,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:03:35,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:03:35,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... [2019-11-20 11:03:35,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:03:35,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:03:35,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:03:35,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:03:35,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:03:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-11-20 11:03:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:03:35,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:03:39,070 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:03:39,071 INFO L285 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-20 11:03:39,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:03:39 BoogieIcfgContainer [2019-11-20 11:03:39,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:03:39,073 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:03:39,073 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:03:39,085 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:03:39,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:03:39" (1/1) ... [2019-11-20 11:03:39,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:03:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-20 11:03:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-20 11:03:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 11:03:39,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2019-11-20 11:03:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2019-11-20 11:03:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 11:03:39,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2019-11-20 11:03:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2019-11-20 11:03:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 11:03:40,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2019-11-20 11:03:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2019-11-20 11:03:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 11:03:41,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2019-11-20 11:03:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2019-11-20 11:03:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 11:03:41,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2019-11-20 11:03:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2019-11-20 11:03:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 11:03:43,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2019-11-20 11:03:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2019-11-20 11:03:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 11:03:44,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2019-11-20 11:03:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2019-11-20 11:03:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 11:03:45,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2019-11-20 11:03:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2019-11-20 11:03:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 11:03:45,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2019-11-20 11:03:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2019-11-20 11:03:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 11:03:47,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2019-11-20 11:03:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2019-11-20 11:03:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 11:03:47,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:48,836 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 28 [2019-11-20 11:03:49,488 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2019-11-20 11:03:49,863 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-11-20 11:03:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:03:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:03:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 143 transitions. [2019-11-20 11:03:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2019-11-20 11:03:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 11:03:54,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:03:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:03:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 91 states and 165 transitions. [2019-11-20 11:04:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 165 transitions. [2019-11-20 11:04:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 11:04:00,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:04,005 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-11-20 11:04:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 105 states and 195 transitions. [2019-11-20 11:04:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 195 transitions. [2019-11-20 11:04:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 11:04:09,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 107 states and 200 transitions. [2019-11-20 11:04:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 200 transitions. [2019-11-20 11:04:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:04:10,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 126 states and 244 transitions. [2019-11-20 11:04:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 244 transitions. [2019-11-20 11:04:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:04:19,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 128 states and 249 transitions. [2019-11-20 11:04:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2019-11-20 11:04:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 11:04:21,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 131 states and 255 transitions. [2019-11-20 11:04:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 255 transitions. [2019-11-20 11:04:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:04:22,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:24,366 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-20 11:04:25,120 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-11-20 11:04:25,634 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2019-11-20 11:04:26,121 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 36 [2019-11-20 11:04:26,636 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2019-11-20 11:04:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:29,353 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-11-20 11:04:34,066 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-20 11:04:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 150 states and 295 transitions. [2019-11-20 11:04:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 295 transitions. [2019-11-20 11:04:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:04:38,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 151 states and 296 transitions. [2019-11-20 11:04:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 296 transitions. [2019-11-20 11:04:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 11:04:39,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 154 states and 305 transitions. [2019-11-20 11:04:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 305 transitions. [2019-11-20 11:04:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:04:41,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 314 transitions. [2019-11-20 11:04:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 314 transitions. [2019-11-20 11:04:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:04:45,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 163 states and 321 transitions. [2019-11-20 11:04:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2019-11-20 11:04:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 11:04:47,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 166 states and 326 transitions. [2019-11-20 11:04:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 326 transitions. [2019-11-20 11:04:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:04:49,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:04:55,187 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-11-20 11:04:55,723 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-11-20 11:04:56,867 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-11-20 11:04:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:04:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 172 states and 346 transitions. [2019-11-20 11:04:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 346 transitions. [2019-11-20 11:04:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:04:59,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:04:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:04:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 177 states and 357 transitions. [2019-11-20 11:05:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 357 transitions. [2019-11-20 11:05:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 11:05:01,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 181 states and 366 transitions. [2019-11-20 11:05:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 366 transitions. [2019-11-20 11:05:04,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:05:04,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:06,865 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 194 states and 398 transitions. [2019-11-20 11:05:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 398 transitions. [2019-11-20 11:05:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:05:16,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 198 states and 408 transitions. [2019-11-20 11:05:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 408 transitions. [2019-11-20 11:05:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:05:18,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 199 states and 409 transitions. [2019-11-20 11:05:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 409 transitions. [2019-11-20 11:05:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:05:19,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 203 states and 418 transitions. [2019-11-20 11:05:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 418 transitions. [2019-11-20 11:05:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 11:05:21,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 206 states and 425 transitions. [2019-11-20 11:05:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 425 transitions. [2019-11-20 11:05:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:05:24,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 218 states and 447 transitions. [2019-11-20 11:05:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 447 transitions. [2019-11-20 11:05:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:05:35,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 220 states and 450 transitions. [2019-11-20 11:05:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 450 transitions. [2019-11-20 11:05:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:05:38,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 220 states and 448 transitions. [2019-11-20 11:05:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 448 transitions. [2019-11-20 11:05:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 11:05:39,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 211 states and 437 transitions. [2019-11-20 11:05:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 437 transitions. [2019-11-20 11:05:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:05:40,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 221 states and 459 transitions. [2019-11-20 11:05:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 459 transitions. [2019-11-20 11:05:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:05:49,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 223 states and 465 transitions. [2019-11-20 11:05:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 465 transitions. [2019-11-20 11:05:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 11:05:52,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:05:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:05:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 217 states and 458 transitions. [2019-11-20 11:05:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 458 transitions. [2019-11-20 11:05:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:05:53,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:05:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:05:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 226 states and 478 transitions. [2019-11-20 11:06:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 478 transitions. [2019-11-20 11:06:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:06:03,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 228 states and 485 transitions. [2019-11-20 11:06:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 485 transitions. [2019-11-20 11:06:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 11:06:04,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 224 states and 485 transitions. [2019-11-20 11:06:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 485 transitions. [2019-11-20 11:06:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:06:06,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:08,868 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-11-20 11:06:09,426 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-11-20 11:06:10,791 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-11-20 11:06:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 231 states and 506 transitions. [2019-11-20 11:06:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 506 transitions. [2019-11-20 11:06:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:06:16,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 232 states and 510 transitions. [2019-11-20 11:06:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 510 transitions. [2019-11-20 11:06:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 11:06:19,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 235 states and 520 transitions. [2019-11-20 11:06:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 520 transitions. [2019-11-20 11:06:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:06:22,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:26,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 239 states and 529 transitions. [2019-11-20 11:06:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 529 transitions. [2019-11-20 11:06:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:06:26,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 242 states and 536 transitions. [2019-11-20 11:06:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 536 transitions. [2019-11-20 11:06:27,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:06:27,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:29,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 243 states and 540 transitions. [2019-11-20 11:06:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 540 transitions. [2019-11-20 11:06:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 11:06:29,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 244 states and 541 transitions. [2019-11-20 11:06:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 541 transitions. [2019-11-20 11:06:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:06:30,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 246 states and 548 transitions. [2019-11-20 11:06:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 548 transitions. [2019-11-20 11:06:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:06:35,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 247 states and 549 transitions. [2019-11-20 11:06:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 549 transitions. [2019-11-20 11:06:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:06:37,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 248 states and 550 transitions. [2019-11-20 11:06:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 550 transitions. [2019-11-20 11:06:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:06:38,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 251 states and 558 transitions. [2019-11-20 11:06:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 558 transitions. [2019-11-20 11:06:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 11:06:41,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:06:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:06:43,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:06:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 252 states and 560 transitions. [2019-11-20 11:06:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 560 transitions. [2019-11-20 11:06:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 11:06:43,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:06:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:06:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:06:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 11:06:57,415 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2019-11-20 11:06:57,418 INFO L168 Benchmark]: Toolchain (without parser) took 202605.30 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 944.7 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 549.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,418 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:06:57,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,420 INFO L168 Benchmark]: Boogie Preprocessor took 87.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,421 INFO L168 Benchmark]: RCFGBuilder took 3529.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.5 MB). Peak memory consumption was 317.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,422 INFO L168 Benchmark]: CodeCheck took 198343.78 ms. Allocated memory was 1.3 GB in the beginning and 2.8 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 515.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:06:57,426 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3529.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.5 MB). Peak memory consumption was 317.4 MB. Max. memory is 11.5 GB. * CodeCheck took 198343.78 ms. Allocated memory was 1.3 GB in the beginning and 2.8 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 515.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 11:06:59,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:06:59,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:06:59,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:06:59,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:06:59,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:06:59,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:06:59,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:06:59,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:06:59,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:06:59,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:06:59,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:06:59,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:06:59,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:06:59,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:06:59,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:06:59,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:06:59,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:06:59,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:06:59,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:06:59,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:06:59,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:06:59,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:06:59,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:06:59,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:06:59,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:06:59,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:06:59,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:06:59,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:06:59,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:06:59,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:06:59,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:06:59,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:06:59,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:06:59,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:06:59,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:06:59,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:06:59,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:06:59,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:06:59,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:06:59,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:06:59,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 11:06:59,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:06:59,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:06:59,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:06:59,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:06:59,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:06:59,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:06:59,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:06:59,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:06:59,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:06:59,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:06:59,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:06:59,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:06:59,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:06:59,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:06:59,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:06:59,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:06:59,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:06:59,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:06:59,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:06:59,333 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:06:59,333 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:06:59,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:06:59,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:06:59,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:06:59,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:06:59,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:06:59,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:06:59,335 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 11:06:59,335 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:06:59,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:06:59,336 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 11:06:59,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:06:59,336 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_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak 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 -> Kojak 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 -> 421c1ce510bb92ff52c2b6487f32b0bc37caaab2 [2019-11-20 11:06:59,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:06:59,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:06:59,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:06:59,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:06:59,606 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:06:59,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-11-20 11:06:59,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/78e681f13/c014f044cb504b99adafae7e6724d15f/FLAG96c792153 [2019-11-20 11:07:00,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:07:00,098 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-11-20 11:07:00,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/78e681f13/c014f044cb504b99adafae7e6724d15f/FLAG96c792153 [2019-11-20 11:07:00,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/data/78e681f13/c014f044cb504b99adafae7e6724d15f [2019-11-20 11:07:00,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:07:00,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:07:00,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:07:00,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:07:00,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:07:00,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:00,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce68744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00, skipping insertion in model container [2019-11-20 11:07:00,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:00,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:07:00,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:07:00,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:07:00,789 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:07:00,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:07:00,940 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:07:00,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00 WrapperNode [2019-11-20 11:07:00,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:07:00,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:07:00,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:07:00,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:07:00,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:00,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:00,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:07:00,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:07:00,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:07:00,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:07:01,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... [2019-11-20 11:07:01,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:07:01,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:07:01,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:07:01,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:07:01,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a179fd9c-df8b-4806-954a-cf1d4d4921e2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-11-20 11:07:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:07:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:07:04,364 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:07:04,365 INFO L285 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-20 11:07:04,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:07:04 BoogieIcfgContainer [2019-11-20 11:07:04,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:07:04,366 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:07:04,367 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:07:04,377 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:07:04,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:07:04" (1/1) ... [2019-11-20 11:07:04,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:07:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:07:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-20 11:07:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-20 11:07:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 11:07:04,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:07:04,471 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2019-11-20 11:07:04,476 INFO L168 Benchmark]: Toolchain (without parser) took 3990.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:04,477 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:07:04,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:04,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:04,479 INFO L168 Benchmark]: Boogie Preprocessor took 45.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:07:04,480 INFO L168 Benchmark]: RCFGBuilder took 3326.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.4 MB). Peak memory consumption was 314.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:04,480 INFO L168 Benchmark]: CodeCheck took 107.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:04,484 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 455.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3326.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.4 MB). Peak memory consumption was 314.1 MB. Max. memory is 11.5 GB. * CodeCheck took 107.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...