./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-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_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/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 5ece07e091f918f26c76e2a65f38501df262220c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:35:08,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:35:08,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:35:08,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:35:08,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:35:08,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:35:08,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:35:08,333 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:35:08,334 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:35:08,334 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:35:08,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:35:08,335 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:35:08,335 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:35:08,336 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:35:08,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:35:08,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:35:08,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:35:08,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:35:08,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:35:08,340 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:35:08,340 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:35:08,341 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:35:08,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:35:08,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:35:08,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:35:08,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:35:08,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:35:08,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:35:08,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:35:08,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:35:08,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:35:08,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:35:08,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:35:08,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:35:08,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:35:08,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:35:08,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 22:35:08,353 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:35:08,353 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:35:08,354 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:35:08,354 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:35:08,354 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:35:08,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:35:08,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:35:08,356 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:35:08,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:35:08,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:35:08,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:35:08,357 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:35:08,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:35:08,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:35:08,357 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_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/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 -> 5ece07e091f918f26c76e2a65f38501df262220c [2018-12-01 22:35:08,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:35:08,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:35:08,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:35:08,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:35:08,387 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:35:08,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c [2018-12-01 22:35:08,426 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/data/31efe1ece/04b18b6b37cc4d2db7011c29aab4a94a/FLAGdb40eb1c4 [2018-12-01 22:35:08,859 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:35:08,860 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4_false-unreach-call.2.ufo.BOUNDED-8.pals_true-termination.c [2018-12-01 22:35:08,864 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/data/31efe1ece/04b18b6b37cc4d2db7011c29aab4a94a/FLAGdb40eb1c4 [2018-12-01 22:35:08,872 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/data/31efe1ece/04b18b6b37cc4d2db7011c29aab4a94a [2018-12-01 22:35:08,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:35:08,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:35:08,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:35:08,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:35:08,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:35:08,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:35:08" (1/1) ... [2018-12-01 22:35:08,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79df640a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:08, skipping insertion in model container [2018-12-01 22:35:08,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:35:08" (1/1) ... [2018-12-01 22:35:08,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:35:08,899 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:35:09,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:35:09,015 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:35:09,042 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:35:09,051 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:35:09,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09 WrapperNode [2018-12-01 22:35:09,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:35:09,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:35:09,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:35:09,052 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:35:09,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:35:09,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:35:09,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:35:09,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:35:09,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... [2018-12-01 22:35:09,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:35:09,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:35:09,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:35:09,130 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:35:09,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:35:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/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 [2018-12-01 22:35:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:35:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:35:10,113 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:35:10,113 INFO L280 CfgBuilder]: Removed 19 assue(true) statements. [2018-12-01 22:35:10,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:35:10 BoogieIcfgContainer [2018-12-01 22:35:10,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:35:10,114 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:35:10,114 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:35:10,120 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:35:10,120 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:35:10" (1/1) ... [2018-12-01 22:35:10,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:35:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:35:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-12-01 22:35:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-12-01 22:35:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 22:35:10,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:35:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:35:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:35:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:35:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-12-01 22:35:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-12-01 22:35:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:35:10,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:35:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:35:10,848 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2018-12-01 22:35:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:35:11,170 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2018-12-01 22:35:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:35:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2018-12-01 22:35:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2018-12-01 22:35:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:35:11,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:35:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:35:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:35:12,576 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-12-01 22:35:13,812 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-12-01 22:35:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:35:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2018-12-01 22:35:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2018-12-01 22:35:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:35:13,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:35:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:35:15,490 WARN L180 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 92 [2018-12-01 22:35:20,139 WARN L180 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 504 DAG size of output: 250 [2018-12-01 22:35:23,728 WARN L180 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 509 DAG size of output: 276 [2018-12-01 22:35:26,101 WARN L180 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 479 DAG size of output: 259 [2018-12-01 22:35:28,511 WARN L180 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 475 DAG size of output: 255 [2018-12-01 22:35:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:35:28,850 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2018-12-01 22:35:29,879 WARN L180 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 246 [2018-12-01 22:35:30,399 WARN L180 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-12-01 22:35:31,357 WARN L180 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2018-12-01 22:35:31,898 WARN L180 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-12-01 22:35:32,460 WARN L180 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-12-01 22:35:33,942 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2018-12-01 22:35:34,820 WARN L180 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 254 [2018-12-01 22:35:35,378 WARN L180 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-12-01 22:35:35,932 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-12-01 22:35:37,048 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2018-12-01 22:35:38,169 WARN L180 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2018-12-01 22:35:39,187 WARN L180 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 260 [2018-12-01 22:35:40,848 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 259 DAG size of output: 259 [2018-12-01 22:35:41,442 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-12-01 22:35:43,327 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 260 DAG size of output: 256 [2018-12-01 22:35:45,285 WARN L180 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2018-12-01 22:35:46,618 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 257 DAG size of output: 257 [2018-12-01 22:35:47,329 WARN L180 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-12-01 22:35:48,282 WARN L180 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2018-12-01 22:35:49,236 WARN L180 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2018-12-01 22:35:50,285 WARN L180 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 246 [2018-12-01 22:35:50,837 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-12-01 22:35:51,421 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-12-01 22:35:52,519 WARN L180 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2018-12-01 22:35:53,704 WARN L180 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 226 [2018-12-01 22:35:54,463 WARN L180 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-12-01 22:35:55,116 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-12-01 22:35:55,738 WARN L180 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-12-01 22:35:56,362 WARN L180 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-12-01 22:35:57,041 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-12-01 22:35:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:35:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2018-12-01 22:35:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2018-12-01 22:35:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:35:57,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:35:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:35:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:35:59,251 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 269 DAG size of output: 269 [2018-12-01 22:36:00,386 WARN L180 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2018-12-01 22:36:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:36:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 29 states and 69 transitions. [2018-12-01 22:36:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 69 transitions. [2018-12-01 22:36:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 22:36:00,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:36:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:36:03,460 WARN L180 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2018-12-01 22:36:04,497 WARN L180 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2018-12-01 22:36:05,061 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-12-01 22:36:05,545 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-12-01 22:36:06,552 WARN L180 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 238 [2018-12-01 22:36:07,314 WARN L180 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 204 [2018-12-01 22:36:07,870 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-12-01 22:36:08,358 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-12-01 22:36:09,494 WARN L180 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2018-12-01 22:36:10,832 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 254 DAG size of output: 242 [2018-12-01 22:36:11,444 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-12-01 22:36:12,182 WARN L180 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-12-01 22:36:13,173 WARN L180 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2018-12-01 22:36:14,161 WARN L180 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 240 [2018-12-01 22:36:14,789 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-12-01 22:36:15,406 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-12-01 22:36:15,716 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 102 [2018-12-01 22:36:16,901 WARN L180 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 258 [2018-12-01 22:36:17,774 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-12-01 22:36:18,096 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 100 [2018-12-01 22:36:18,818 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2018-12-01 22:36:19,680 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-12-01 22:36:19,983 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 110 [2018-12-01 22:36:20,638 WARN L180 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-12-01 22:36:21,647 WARN L180 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-12-01 22:36:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:36:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 99 transitions. [2018-12-01 22:36:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 99 transitions. [2018-12-01 22:36:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 22:36:21,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:36:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:36:26,134 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 410 DAG size of output: 90 [2018-12-01 22:36:43,171 WARN L180 SmtUtils]: Spent 15.85 s on a formula simplification. DAG size of input: 1070 DAG size of output: 371 [2018-12-01 22:37:00,750 WARN L180 SmtUtils]: Spent 16.56 s on a formula simplification. DAG size of input: 1162 DAG size of output: 439 [2018-12-01 22:37:19,021 WARN L180 SmtUtils]: Spent 17.12 s on a formula simplification. DAG size of input: 1217 DAG size of output: 608 [2018-12-01 22:37:35,498 WARN L180 SmtUtils]: Spent 15.51 s on a formula simplification. DAG size of input: 1079 DAG size of output: 516 [2018-12-01 22:37:51,642 WARN L180 SmtUtils]: Spent 15.13 s on a formula simplification. DAG size of input: 1077 DAG size of output: 497 [2018-12-01 22:38:00,969 WARN L180 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 957 DAG size of output: 352 [2018-12-01 22:38:10,245 WARN L180 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 953 DAG size of output: 351 [2018-12-01 22:38:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:38:10,764 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2018-12-01 22:38:14,820 WARN L180 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 429 DAG size of output: 295 [2018-12-01 22:38:17,869 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 319 DAG size of output: 310 [2018-12-01 22:38:22,759 WARN L180 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 425 DAG size of output: 363 [2018-12-01 22:38:24,430 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 287 DAG size of output: 286 [2018-12-01 22:38:27,641 WARN L180 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 359 DAG size of output: 358 [2018-12-01 22:38:31,160 WARN L180 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 427 DAG size of output: 293 [2018-12-01 22:38:35,803 WARN L180 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 423 DAG size of output: 361 [2018-12-01 22:38:38,213 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2018-12-01 22:38:40,502 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 357 DAG size of output: 356 [2018-12-01 22:38:46,564 WARN L180 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 500 DAG size of output: 419 [2018-12-01 22:38:50,307 WARN L180 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 369 DAG size of output: 364 [2018-12-01 22:38:55,109 WARN L180 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 498 DAG size of output: 451 [2018-12-01 22:38:58,229 WARN L180 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 411 DAG size of output: 408 [2018-12-01 22:39:01,318 WARN L180 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 446 DAG size of output: 446 [2018-12-01 22:39:07,404 WARN L180 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 498 DAG size of output: 417 [2018-12-01 22:39:12,448 WARN L180 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 496 DAG size of output: 449 [2018-12-01 22:39:15,556 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 409 DAG size of output: 406 [2018-12-01 22:39:18,865 WARN L180 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2018-12-01 22:39:26,058 WARN L180 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 633 DAG size of output: 573 [2018-12-01 22:39:31,753 WARN L180 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 519 DAG size of output: 493 [2018-12-01 22:39:39,088 WARN L180 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 607 DAG size of output: 596 [2018-12-01 22:39:43,874 WARN L180 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 569 DAG size of output: 569 [2018-12-01 22:39:49,434 WARN L180 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 596 DAG size of output: 594 [2018-12-01 22:39:57,134 WARN L180 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 631 DAG size of output: 571 [2018-12-01 22:40:04,943 WARN L180 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 605 DAG size of output: 594 [2018-12-01 22:40:09,941 WARN L180 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 567 DAG size of output: 567 [2018-12-01 22:40:15,372 WARN L180 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 594 DAG size of output: 592 [2018-12-01 22:40:19,213 WARN L180 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 493 DAG size of output: 450 [2018-12-01 22:40:22,444 WARN L180 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 442 DAG size of output: 431 [2018-12-01 22:40:26,707 WARN L180 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 481 DAG size of output: 479 [2018-12-01 22:40:29,798 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2018-12-01 22:40:33,448 WARN L180 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2018-12-01 22:40:37,448 WARN L180 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 473 DAG size of output: 438 [2018-12-01 22:40:40,736 WARN L180 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 423 DAG size of output: 418 [2018-12-01 22:40:43,841 WARN L180 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 470 DAG size of output: 470 [2018-12-01 22:40:46,984 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 439 DAG size of output: 439 [2018-12-01 22:40:49,275 WARN L180 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 471 [2018-12-01 22:40:52,331 WARN L180 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 482 DAG size of output: 442 [2018-12-01 22:40:55,605 WARN L180 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2018-12-01 22:40:58,740 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 443 DAG size of output: 443 [2018-12-01 22:41:00,676 WARN L180 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 480 [2018-12-01 22:41:03,671 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 437 DAG size of output: 403 [2018-12-01 22:41:05,735 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 292 DAG size of output: 289 [2018-12-01 22:41:08,837 WARN L180 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 436 DAG size of output: 432 [2018-12-01 22:41:12,299 WARN L180 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 403 DAG size of output: 400 [2018-12-01 22:41:14,505 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 432 [2018-12-01 22:41:19,581 WARN L180 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 435 DAG size of output: 400 [2018-12-01 22:41:21,407 WARN L180 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 291 DAG size of output: 286 [2018-12-01 22:41:25,098 WARN L180 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 433 DAG size of output: 432 [2018-12-01 22:41:26,991 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 400 [2018-12-01 22:41:29,221 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 433 [2018-12-01 22:41:33,390 WARN L180 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 448 DAG size of output: 447 [2018-12-01 22:41:35,562 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 448 [2018-12-01 22:41:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:41:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 53 states and 159 transitions. [2018-12-01 22:41:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 159 transitions. [2018-12-01 22:41:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 22:41:35,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:41:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:41:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:41:41,814 WARN L180 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 453 DAG size of output: 359 [2018-12-01 22:41:46,490 WARN L180 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 450 DAG size of output: 387 [2018-12-01 22:41:48,961 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 355 DAG size of output: 351 [2018-12-01 22:41:50,495 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 383 [2018-12-01 22:41:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:41:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 54 states and 163 transitions. [2018-12-01 22:41:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 163 transitions. [2018-12-01 22:41:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 22:41:51,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:41:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:41:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:41:57,061 WARN L180 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 404 DAG size of output: 401 [2018-12-01 22:42:00,085 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 406 DAG size of output: 402 [2018-12-01 22:42:02,618 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 401 [2018-12-01 22:42:04,580 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 402 [2018-12-01 22:42:06,198 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 401 [2018-12-01 22:42:08,769 WARN L180 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 403 DAG size of output: 402 [2018-12-01 22:42:10,717 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 402 [2018-12-01 22:42:13,845 WARN L180 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 403 [2018-12-01 22:42:14,699 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 61 [2018-12-01 22:42:18,985 WARN L180 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 439 DAG size of output: 437 [2018-12-01 22:42:21,249 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 438 [2018-12-01 22:42:21,796 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 58 [2018-12-01 22:42:23,738 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 438 [2018-12-01 22:42:26,302 WARN L180 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 439 [2018-12-01 22:42:26,822 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 69 [2018-12-01 22:42:28,978 WARN L180 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 453 [2018-12-01 22:42:31,485 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 454 [2018-12-01 22:42:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:42:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 59 states and 187 transitions. [2018-12-01 22:42:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 187 transitions. [2018-12-01 22:42:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 22:42:31,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:42:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:42:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:42:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:42:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:42:45,618 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-12-01 22:42:45,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:42:45 ImpRootNode [2018-12-01 22:42:45,685 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:42:45,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:42:45,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:42:45,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:42:45,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:35:10" (3/4) ... [2018-12-01 22:42:45,688 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:42:45,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cac386b7-dabc-40e5-97ad-5ebf41bd4dc8/bin-2019/ukojak/witness.graphml [2018-12-01 22:42:45,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:42:45,781 INFO L168 Benchmark]: Toolchain (without parser) took 456906.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 962.4 MB in the beginning and 916.2 MB in the end (delta: 46.2 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:42:45,782 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-01 22:42:45,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.92 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 945.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:42:45,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:42:45,782 INFO L168 Benchmark]: Boogie Preprocessor took 19.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:42:45,782 INFO L168 Benchmark]: RCFGBuilder took 983.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.6 MB in the end (delta: 241.6 MB). Peak memory consumption was 241.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:42:45,783 INFO L168 Benchmark]: CodeCheck took 455571.37 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.7 MB). Free memory was 859.6 MB in the beginning and 936.1 MB in the end (delta: -76.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:42:45,783 INFO L168 Benchmark]: Witness Printer took 95.18 ms. Allocated memory is still 1.1 GB. Free memory was 936.1 MB in the beginning and 916.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:42:45,784 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, 95 locations, 1 error locations. UNSAFE Result, 455.4s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2960 SDtfs, 4080 SDslu, 6068 SDs, 0 SdLazy, 16872 SolverSat, 3864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1727 GetRequests, 1459 SyntacticMatches, 46 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25806 ImplicationChecksByTransitivity, 428.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 128.4s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 2128536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 19/202 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 - CounterExampleResult [Line: 432]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L70] msg_t nomsg = (msg_t )-1; [L71] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L96] port_t p4 ; [L97] char p4_old ; [L98] char p4_new ; [L99] char id4 ; [L100] char st4 ; [L101] msg_t send4 ; [L102] _Bool mode4 ; [L103] _Bool alive4 ; [L238] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L366] int c1 ; [L367] int i2 ; [L370] c1 = 0 [L371] r1 = __VERIFIER_nondet_char() [L372] id1 = __VERIFIER_nondet_char() [L373] st1 = __VERIFIER_nondet_char() [L374] send1 = __VERIFIER_nondet_char() [L375] mode1 = __VERIFIER_nondet_bool() [L376] alive1 = __VERIFIER_nondet_bool() [L377] id2 = __VERIFIER_nondet_char() [L378] st2 = __VERIFIER_nondet_char() [L379] send2 = __VERIFIER_nondet_char() [L380] mode2 = __VERIFIER_nondet_bool() [L381] alive2 = __VERIFIER_nondet_bool() [L382] id3 = __VERIFIER_nondet_char() [L383] st3 = __VERIFIER_nondet_char() [L384] send3 = __VERIFIER_nondet_char() [L385] mode3 = __VERIFIER_nondet_bool() [L386] alive3 = __VERIFIER_nondet_bool() [L387] id4 = __VERIFIER_nondet_char() [L388] st4 = __VERIFIER_nondet_char() [L389] send4 = __VERIFIER_nondet_char() [L390] mode4 = __VERIFIER_nondet_bool() [L391] alive4 = __VERIFIER_nondet_bool() [L241] int tmp ; [L244] COND TRUE (int )r1 == 0 [L245] COND TRUE (((int )alive1 + (int )alive2) + (int )alive3) + (int )alive4 >= 1 [L246] COND TRUE (int )id1 >= 0 [L247] COND TRUE (int )st1 == 0 [L248] COND TRUE (int )send1 == (int )id1 [L249] COND TRUE (int )mode1 == 0 [L250] COND TRUE (int )id2 >= 0 [L251] COND TRUE (int )st2 == 0 [L252] COND TRUE (int )send2 == (int )id2 [L253] COND TRUE (int )mode2 == 0 [L254] COND TRUE (int )id3 >= 0 [L255] COND TRUE (int )st3 == 0 [L256] COND TRUE (int )send3 == (int )id3 [L257] COND TRUE (int )mode3 == 0 [L258] COND TRUE (int )id4 >= 0 [L259] COND TRUE (int )st4 == 0 [L260] COND TRUE (int )send4 == (int )id4 [L261] COND TRUE (int )mode4 == 0 [L262] COND TRUE (int )id1 != (int )id2 [L263] COND TRUE (int )id1 != (int )id3 [L264] COND TRUE (int )id1 != (int )id4 [L265] COND TRUE (int )id2 != (int )id3 [L266] COND TRUE (int )id2 != (int )id4 [L267] COND TRUE (int )id3 != (int )id4 [L268] tmp = 1 [L341] return (tmp); [L392] i2 = init() [L394] p1_old = nomsg [L395] p1_new = nomsg [L396] p2_old = nomsg [L397] p2_new = nomsg [L398] p3_old = nomsg [L399] p3_new = nomsg [L400] p4_old = nomsg [L401] p4_new = nomsg [L402] i2 = 0 VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=0, send1=1, send2=2, send3=0, send4=127, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND FALSE !(\read(mode1)) [L128] COND FALSE !(\read(alive1)) [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND FALSE !((int )send3 != (int )id3) [L199] mode3 = (_Bool)1 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND FALSE !(\read(mode4)) [L227] COND FALSE !(\read(alive4)) [L230] COND FALSE !((int )send4 != (int )id4) [L233] mode4 = (_Bool)1 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=0, send1=1, send2=2, send3=0, send4=127, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=0, send1=1, send2=2, send3=0, send4=127, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND TRUE \read(mode1) [L111] r1 = (char )((int )r1 + 1) [L112] m1 = p4_old [L113] p4_old = nomsg [L114] COND FALSE !((int )m1 != (int )nomsg) [L126] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND FALSE !((int )m2 != (int )nomsg) [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND TRUE \read(mode4) [L211] m4 = p3_old [L212] p3_old = nomsg [L213] COND FALSE !((int )m4 != (int )nomsg) [L225] mode4 = (_Bool)0 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=1, send1=1, send2=2, send3=2, send4=127, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=1, send1=1, send2=2, send3=2, send4=127, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND FALSE !(\read(mode1)) [L128] COND FALSE !(\read(alive1)) [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND TRUE (int )send3 != (int )id3 [L197] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L197] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L199] mode3 = (_Bool)1 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND FALSE !(\read(mode4)) [L227] COND FALSE !(\read(alive4)) [L230] COND FALSE !((int )send4 != (int )id4) [L233] mode4 = (_Bool)1 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=-1, r1=1, send1=1, send2=2, send3=2, send4=127, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=-1, r1=1, send1=1, send2=2, send3=2, send4=127, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND TRUE \read(mode1) [L111] r1 = (char )((int )r1 + 1) [L112] m1 = p4_old [L113] p4_old = nomsg [L114] COND FALSE !((int )m1 != (int )nomsg) [L126] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND FALSE !((int )m2 != (int )nomsg) [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND TRUE \read(mode4) [L211] m4 = p3_old [L212] p3_old = nomsg [L213] COND TRUE (int )m4 != (int )nomsg [L214] COND FALSE !(\read(alive4)) [L222] send4 = m4 [L225] mode4 = (_Bool)0 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=2, send1=1, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=2, send1=1, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND FALSE !(\read(mode1)) [L128] COND FALSE !(\read(alive1)) [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND TRUE (int )send3 != (int )id3 [L197] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L197] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L199] mode3 = (_Bool)1 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND FALSE !(\read(mode4)) [L227] COND FALSE !(\read(alive4)) [L230] COND TRUE (int )send4 != (int )id4 [L231] EXPR send4 != nomsg && p4_new == nomsg ? send4 : p4_new [L231] p4_new = send4 != nomsg && p4_new == nomsg ? send4 : p4_new [L233] mode4 = (_Bool)1 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=2, r1=2, send1=1, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=2, r1=2, send1=1, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND TRUE \read(mode1) [L111] r1 = (char )((int )r1 + 1) [L112] m1 = p4_old [L113] p4_old = nomsg [L114] COND TRUE (int )m1 != (int )nomsg [L115] COND FALSE !(\read(alive1)) [L123] send1 = m1 [L126] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND FALSE !((int )m2 != (int )nomsg) [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND TRUE \read(mode4) [L211] m4 = p3_old [L212] p3_old = nomsg [L213] COND TRUE (int )m4 != (int )nomsg [L214] COND FALSE !(\read(alive4)) [L222] send4 = m4 [L225] mode4 = (_Bool)0 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=3, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=3, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND FALSE !(\read(mode1)) [L128] COND FALSE !(\read(alive1)) [L131] mode1 = (_Bool)1 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND FALSE !(\read(mode2)) [L159] COND TRUE \read(alive2) [L160] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L160] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L165] mode2 = (_Bool)1 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND FALSE !(\read(mode3)) [L193] COND FALSE !(\read(alive3)) [L196] COND TRUE (int )send3 != (int )id3 [L197] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L197] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L199] mode3 = (_Bool)1 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND FALSE !(\read(mode4)) [L227] COND FALSE !(\read(alive4)) [L230] COND TRUE (int )send4 != (int )id4 [L231] EXPR send4 != nomsg && p4_new == nomsg ? send4 : p4_new [L231] p4_new = send4 != nomsg && p4_new == nomsg ? send4 : p4_new [L233] mode4 = (_Bool)1 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND TRUE (int )r1 < 4 [L351] tmp = 1 [L361] return (tmp); [L417] c1 = check() [L430] COND FALSE !(! arg) VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=2, r1=3, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L419] i2 ++ VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=1, mode2=1, mode3=1, mode4=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=2, p4=0, p4_new=-1, p4_old=2, r1=3, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L403] COND TRUE i2 < 8 [L106] msg_t m1 ; [L109] m1 = nomsg [L110] COND TRUE \read(mode1) [L111] r1 = (char )((int )r1 + 1) [L112] m1 = p4_old [L113] p4_old = nomsg [L114] COND TRUE (int )m1 != (int )nomsg [L115] COND FALSE !(\read(alive1)) [L123] send1 = m1 [L126] mode1 = (_Bool)0 [L138] msg_t m2 ; [L141] m2 = nomsg [L142] COND TRUE \read(mode2) [L143] m2 = p1_old [L144] p1_old = nomsg [L145] COND FALSE !((int )m2 != (int )nomsg) [L157] mode2 = (_Bool)0 [L172] msg_t m3 ; [L175] m3 = nomsg [L176] COND TRUE \read(mode3) [L177] m3 = p2_old [L178] p2_old = nomsg [L179] COND TRUE (int )m3 != (int )nomsg [L180] COND FALSE !(\read(alive3)) [L188] send3 = m3 [L191] mode3 = (_Bool)0 [L206] msg_t m4 ; [L209] m4 = nomsg [L210] COND TRUE \read(mode4) [L211] m4 = p3_old [L212] p3_old = nomsg [L213] COND TRUE (int )m4 != (int )nomsg [L214] COND FALSE !(\read(alive4)) [L222] send4 = m4 [L225] mode4 = (_Bool)0 [L409] p1_old = p1_new [L410] p1_new = nomsg [L411] p2_old = p2_new [L412] p2_new = nomsg [L413] p3_old = p3_new [L414] p3_new = nomsg [L415] p4_old = p4_new [L416] p4_new = nomsg [L346] int tmp ; [L349] COND TRUE (((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1 [L350] COND FALSE !((int )r1 < 4) [L353] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 == 1) [L356] tmp = 0 [L361] return (tmp); [L417] c1 = check() [L430] COND TRUE ! arg VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=4, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] [L432] __VERIFIER_error() VAL [alive1=0, alive2=1, alive3=0, alive4=0, id1=1, id2=2, id3=0, id4=127, mode1=0, mode2=0, mode3=0, mode4=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, p4=0, p4_new=-1, p4_old=-1, r1=4, send1=2, send2=2, send3=2, send4=2, st1=0, st2=0, st3=0, st4=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.92 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 945.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 983.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.6 MB in the end (delta: 241.6 MB). Peak memory consumption was 241.6 MB. Max. memory is 11.5 GB. * CodeCheck took 455571.37 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.7 MB). Free memory was 859.6 MB in the beginning and 936.1 MB in the end (delta: -76.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 95.18 ms. Allocated memory is still 1.1 GB. Free memory was 936.1 MB in the beginning and 916.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...