./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/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 f2cbbf56a13532141372a32a461d64a9d1351c0e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:54:07,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:54:07,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:54:07,910 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:54:07,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:54:07,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:54:07,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:54:07,913 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:54:07,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:54:07,915 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:54:07,916 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:54:07,916 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:54:07,917 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:54:07,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:54:07,918 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:54:07,919 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:54:07,919 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:54:07,920 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:54:07,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:54:07,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:54:07,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:54:07,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:54:07,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:54:07,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:54:07,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:54:07,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:54:07,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:54:07,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:54:07,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:54:07,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:54:07,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:54:07,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:54:07,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:54:07,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:54:07,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:54:07,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:54:07,931 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:54:07,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:54:07,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:54:07,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:54:07,943 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:54:07,943 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:54:07,943 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:54:07,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:54:07,943 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:54:07,944 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:54:07,945 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:54:07,945 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:54:07,945 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:54:07,945 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:54:07,945 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:54:07,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:54:07,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:54:07,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:54:07,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:54:07,946 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:54:07,946 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:54:07,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:54:07,946 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/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 -> f2cbbf56a13532141372a32a461d64a9d1351c0e [2018-12-09 00:54:07,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:54:07,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:54:07,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:54:07,977 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:54:07,977 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:54:07,978 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 00:54:08,017 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/data/a731fbfa5/eddda34bc99a40bdb7b0c5118e951dd9/FLAGb9566717a [2018-12-09 00:54:08,484 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:54:08,485 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/sv-benchmarks/c/locks/test_locks_8_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 00:54:08,488 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/data/a731fbfa5/eddda34bc99a40bdb7b0c5118e951dd9/FLAGb9566717a [2018-12-09 00:54:08,497 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/data/a731fbfa5/eddda34bc99a40bdb7b0c5118e951dd9 [2018-12-09 00:54:08,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:54:08,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:54:08,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:54:08,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:54:08,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:54:08,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08, skipping insertion in model container [2018-12-09 00:54:08,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:54:08,523 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:54:08,612 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:54:08,614 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:54:08,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:54:08,635 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:54:08,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08 WrapperNode [2018-12-09 00:54:08,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:54:08,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:54:08,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:54:08,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:54:08,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:54:08,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:54:08,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:54:08,656 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:54:08,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:54:08,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:54:08,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:54:08,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:54:08,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:54:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/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 [2018-12-09 00:54:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:54:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:54:08,934 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:54:08,934 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 00:54:08,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:08 BoogieIcfgContainer [2018-12-09 00:54:08,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:54:08,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:54:08,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:54:08,942 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:54:08,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:08" (1/1) ... [2018-12-09 00:54:08,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:54:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2018-12-09 00:54:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2018-12-09 00:54:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:54:08,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2018-12-09 00:54:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2018-12-09 00:54:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:54:09,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-12-09 00:54:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-12-09 00:54:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:54:09,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-12-09 00:54:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-12-09 00:54:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:54:09,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2018-12-09 00:54:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2018-12-09 00:54:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:54:09,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2018-12-09 00:54:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-12-09 00:54:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:54:09,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-12-09 00:54:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-12-09 00:54:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:54:09,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:09,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-12-09 00:54:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-12-09 00:54:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:54:09,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-12-09 00:54:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-12-09 00:54:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:54:10,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-12-09 00:54:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-12-09 00:54:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:54:10,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-12-09 00:54:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-12-09 00:54:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:54:10,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2018-12-09 00:54:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2018-12-09 00:54:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:54:10,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-12-09 00:54:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-12-09 00:54:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:54:10,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-12-09 00:54:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-12-09 00:54:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:54:11,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-12-09 00:54:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-12-09 00:54:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:54:11,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:11,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-12-09 00:54:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-12-09 00:54:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:54:11,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-12-09 00:54:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-12-09 00:54:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:11,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:12,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-12-09 00:54:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-12-09 00:54:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:12,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-12-09 00:54:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-12-09 00:54:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:12,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-12-09 00:54:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-12-09 00:54:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:12,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-09 00:54:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-09 00:54:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:13,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-09 00:54:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-09 00:54:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:54:13,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-12-09 00:54:13,821 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-12-09 00:54:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:13,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-12-09 00:54:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-12-09 00:54:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:14,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:14,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-12-09 00:54:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-12-09 00:54:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:14,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:14,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2018-12-09 00:54:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2018-12-09 00:54:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:14,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-09 00:54:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-09 00:54:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:17,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-09 00:54:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-09 00:54:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:17,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-09 00:54:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-09 00:54:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:54:17,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:17,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-09 00:54:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-09 00:54:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:17,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-12-09 00:54:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-12-09 00:54:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:17,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-12-09 00:54:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-12-09 00:54:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:18,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-12-09 00:54:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-12-09 00:54:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:18,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2018-12-09 00:54:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2018-12-09 00:54:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:18,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-12-09 00:54:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-12-09 00:54:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:18,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:18,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-09 00:54:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-09 00:54:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:54:18,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:54:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:54:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:54:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:54:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-09 00:54:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-09 00:54:19,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:54:19,142 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-09 00:54:19,147 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:54:19,294 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:54:19,296 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:54:19,296 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:54:19,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:54:19 ImpRootNode [2018-12-09 00:54:19,296 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:54:19,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:54:19,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:54:19,297 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:54:19,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:54:08" (3/4) ... [2018-12-09 00:54:19,300 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:54:19,306 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 00:54:19,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:54:19,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:54:19,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0451102d-a530-42c1-8282-dc32371ac0df/bin-2019/ukojak/witness.graphml [2018-12-09 00:54:19,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:54:19,339 INFO L168 Benchmark]: Toolchain (without parser) took 10840.01 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 962.4 MB in the beginning and 1.3 GB in the end (delta: -327.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.93 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: Boogie Preprocessor took 43.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: RCFGBuilder took 235.22 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,340 INFO L168 Benchmark]: CodeCheck took 10361.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -190.2 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:54:19,341 INFO L168 Benchmark]: Witness Printer took 41.59 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:54:19,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 33 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -25694468 SDslu, 0 SDs, 0 SdLazy, -1280512520 SolverSat, -588800260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3976 GetRequests, 3720 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29471 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 20372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.93 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.08 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -177.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 235.22 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10361.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -190.2 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.59 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...