./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d52e74df0654e1f032e9591db582096a56c19f5c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-01 04:08:50,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 04:08:50,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 04:08:50,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 04:08:50,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 04:08:50,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 04:08:50,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 04:08:50,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 04:08:50,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 04:08:50,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 04:08:50,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 04:08:50,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 04:08:50,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 04:08:50,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 04:08:50,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 04:08:50,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 04:08:50,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 04:08:50,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 04:08:50,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 04:08:50,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 04:08:50,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 04:08:50,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 04:08:50,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 04:08:50,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 04:08:50,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 04:08:50,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 04:08:50,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 04:08:50,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 04:08:50,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 04:08:50,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 04:08:50,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 04:08:50,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 04:08:50,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 04:08:50,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 04:08:50,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 04:08:50,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 04:08:50,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 04:08:50,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 04:08:50,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 04:08:50,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 04:08:50,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 04:08:50,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 04:08:50,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 04:08:50,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 04:08:50,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 04:08:50,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 04:08:50,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 04:08:50,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 04:08:50,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 04:08:50,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 04:08:50,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 04:08:50,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 04:08:50,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 04:08:50,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 04:08:50,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 04:08:50,239 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 04:08:50,240 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 04:08:50,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 04:08:50,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 04:08:50,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 04:08:50,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 04:08:50,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 04:08:50,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 04:08:50,241 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 04:08:50,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 04:08:50,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 04:08:50,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52e74df0654e1f032e9591db582096a56c19f5c [2019-12-01 04:08:50,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 04:08:50,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 04:08:50,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 04:08:50,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 04:08:50,351 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 04:08:50,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-12-01 04:08:50,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/data/e602b2d80/0b3a6612aeb44d0bafe58c4355ffda67/FLAGffe14ef16 [2019-12-01 04:08:50,834 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 04:08:50,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-12-01 04:08:50,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/data/e602b2d80/0b3a6612aeb44d0bafe58c4355ffda67/FLAGffe14ef16 [2019-12-01 04:08:50,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/data/e602b2d80/0b3a6612aeb44d0bafe58c4355ffda67 [2019-12-01 04:08:50,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 04:08:50,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 04:08:50,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 04:08:50,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 04:08:50,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 04:08:50,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:08:50" (1/1) ... [2019-12-01 04:08:50,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f9858b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:50, skipping insertion in model container [2019-12-01 04:08:50,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:08:50" (1/1) ... [2019-12-01 04:08:50,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 04:08:50,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 04:08:51,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:08:51,045 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 04:08:51,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:08:51,083 INFO L208 MainTranslator]: Completed translation [2019-12-01 04:08:51,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51 WrapperNode [2019-12-01 04:08:51,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 04:08:51,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 04:08:51,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 04:08:51,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 04:08:51,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 04:08:51,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 04:08:51,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 04:08:51,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 04:08:51,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... [2019-12-01 04:08:51,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 04:08:51,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 04:08:51,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 04:08:51,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 04:08:51,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:08:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 04:08:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 04:08:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 04:08:52,000 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 04:08:52,000 INFO L287 CfgBuilder]: Removed 17 assume(true) statements. [2019-12-01 04:08:52,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:08:52 BoogieIcfgContainer [2019-12-01 04:08:52,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 04:08:52,002 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 04:08:52,002 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 04:08:52,010 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 04:08:52,011 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:08:52" (1/1) ... [2019-12-01 04:08:52,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 04:08:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:08:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-12-01 04:08:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-12-01 04:08:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 04:08:52,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:08:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:08:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:08:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:08:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2019-12-01 04:08:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2019-12-01 04:08:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 04:08:52,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:08:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:08:52,814 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2019-12-01 04:08:52,933 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2019-12-01 04:08:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:08:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:08:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2019-12-01 04:08:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2019-12-01 04:08:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 04:08:53,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:08:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:08:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:08:54,432 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-12-01 04:08:54,597 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-12-01 04:08:54,919 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2019-12-01 04:08:55,780 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-12-01 04:08:56,583 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-12-01 04:08:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:08:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2019-12-01 04:08:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2019-12-01 04:08:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 04:08:56,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:08:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:08:58,027 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 74 [2019-12-01 04:09:00,159 WARN L192 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 316 DAG size of output: 163 [2019-12-01 04:09:02,435 WARN L192 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 346 DAG size of output: 218 [2019-12-01 04:09:04,797 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 334 DAG size of output: 212 [2019-12-01 04:09:06,039 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 230 DAG size of output: 147 [2019-12-01 04:09:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:09:06,403 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-12-01 04:09:07,839 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 188 DAG size of output: 181 [2019-12-01 04:09:08,207 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-12-01 04:09:09,718 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 182 [2019-12-01 04:09:10,129 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-12-01 04:09:10,517 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-12-01 04:09:11,438 WARN L192 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 177 [2019-12-01 04:09:12,691 WARN L192 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 178 [2019-12-01 04:09:13,061 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-12-01 04:09:13,435 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-12-01 04:09:14,266 WARN L192 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2019-12-01 04:09:14,759 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2019-12-01 04:09:15,609 WARN L192 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2019-12-01 04:09:16,093 WARN L192 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-12-01 04:09:17,009 WARN L192 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-12-01 04:09:18,018 WARN L192 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-12-01 04:09:18,861 WARN L192 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 144 [2019-12-01 04:09:19,218 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-12-01 04:09:19,960 WARN L192 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-12-01 04:09:20,609 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-12-01 04:09:21,163 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-12-01 04:09:22,093 WARN L192 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-12-01 04:09:22,722 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-12-01 04:09:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:09:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 19 states and 43 transitions. [2019-12-01 04:09:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 43 transitions. [2019-12-01 04:09:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 04:09:22,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:09:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:09:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:09:24,851 WARN L192 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 203 [2019-12-01 04:09:25,734 WARN L192 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 219 [2019-12-01 04:09:26,263 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-12-01 04:09:26,834 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-12-01 04:09:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:09:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2019-12-01 04:09:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2019-12-01 04:09:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 04:09:26,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:09:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:09:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:09:28,740 WARN L192 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2019-12-01 04:09:29,698 WARN L192 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2019-12-01 04:09:30,158 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-12-01 04:09:30,555 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-12-01 04:09:31,396 WARN L192 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2019-12-01 04:09:32,401 WARN L192 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2019-12-01 04:09:32,858 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-12-01 04:09:33,245 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-12-01 04:09:34,359 WARN L192 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 185 [2019-12-01 04:09:35,041 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-12-01 04:09:35,298 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 43 [2019-12-01 04:09:36,390 WARN L192 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2019-12-01 04:09:37,194 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-12-01 04:09:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:09:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 23 states and 55 transitions. [2019-12-01 04:09:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 55 transitions. [2019-12-01 04:09:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 04:09:37,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:09:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:09:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:09:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:09:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 04:09:40,152 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-12-01 04:09:40,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:09:40 ImpRootNode [2019-12-01 04:09:40,204 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 04:09:40,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 04:09:40,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 04:09:40,205 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 04:09:40,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:08:52" (3/4) ... [2019-12-01 04:09:40,207 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 04:09:40,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e771a2d-5450-4e5a-a18e-8cf3076df01c/bin/ukojak/witness.graphml [2019-12-01 04:09:40,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 04:09:40,277 INFO L168 Benchmark]: Toolchain (without parser) took 49426.64 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.0 MB). Free memory was 943.5 MB in the beginning and 829.5 MB in the end (delta: 114.1 MB). Peak memory consumption was 546.1 MB. Max. memory is 11.5 GB. [2019-12-01 04:09:40,277 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:09:40,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 04:09:40,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.28 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. [2019-12-01 04:09:40,278 INFO L168 Benchmark]: Boogie Preprocessor took 21.03 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. [2019-12-01 04:09:40,278 INFO L168 Benchmark]: RCFGBuilder took 866.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.6 MB in the end (delta: 165.2 MB). Peak memory consumption was 165.2 MB. Max. memory is 11.5 GB. [2019-12-01 04:09:40,278 INFO L168 Benchmark]: CodeCheck took 48202.40 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 334.5 MB). Free memory was 921.6 MB in the beginning and 846.1 MB in the end (delta: 75.6 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. [2019-12-01 04:09:40,278 INFO L168 Benchmark]: Witness Printer took 71.48 ms. Allocated memory is still 1.5 GB. Free memory was 846.1 MB in the beginning and 829.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-12-01 04:09:40,280 INFO L335 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, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 48.1s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 288 SDslu, 64 SDs, 0 SdLazy, 2056 SolverSat, 428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 605 GetRequests, 485 SyntacticMatches, 20 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4769 ImplicationChecksByTransitivity, 41.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 69126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/52 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 354]: 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] unsigned 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 ; [L199] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L299] int c1 ; [L300] int i2 ; [L303] c1 = 0 [L304] r1 = __VERIFIER_nondet_uchar() [L305] id1 = __VERIFIER_nondet_char() [L306] st1 = __VERIFIER_nondet_char() [L307] send1 = __VERIFIER_nondet_char() [L308] mode1 = __VERIFIER_nondet_bool() [L309] alive1 = __VERIFIER_nondet_bool() [L310] id2 = __VERIFIER_nondet_char() [L311] st2 = __VERIFIER_nondet_char() [L312] send2 = __VERIFIER_nondet_char() [L313] mode2 = __VERIFIER_nondet_bool() [L314] alive2 = __VERIFIER_nondet_bool() [L315] id3 = __VERIFIER_nondet_char() [L316] st3 = __VERIFIER_nondet_char() [L317] send3 = __VERIFIER_nondet_char() [L318] mode3 = __VERIFIER_nondet_bool() [L319] alive3 = __VERIFIER_nondet_bool() [L202] int tmp ; [L205] COND TRUE (int )r1 == 0 [L206] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L207] COND TRUE (int )id1 >= 0 [L208] COND TRUE (int )st1 == 0 [L209] COND TRUE (int )send1 == (int )id1 [L210] COND TRUE (int )mode1 == 0 [L211] COND TRUE (int )id2 >= 0 [L212] COND TRUE (int )st2 == 0 [L213] COND TRUE (int )send2 == (int )id2 [L214] COND TRUE (int )mode2 == 0 [L215] COND TRUE (int )id3 >= 0 [L216] COND TRUE (int )st3 == 0 [L217] COND TRUE (int )send3 == (int )id3 [L218] COND TRUE (int )mode3 == 0 [L219] COND TRUE (int )id1 != (int )id2 [L220] COND TRUE (int )id1 != (int )id3 [L221] COND TRUE (int )id2 != (int )id3 [L222] tmp = 1 [L274] return (tmp); [L320] i2 = init() [L322] p1_old = nomsg [L323] p1_new = nomsg [L324] p2_old = nomsg [L325] p2_new = nomsg [L326] p3_old = nomsg [L327] p3_new = nomsg [L328] i2 = 0 VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=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, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND FALSE !(\read(alive2)) [L157] COND FALSE !((int )send2 != (int )id2) [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, 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, r1=0, send1=0, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] mode2 = (_Bool)0 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND FALSE !((int )m3 != (int )nomsg) [L186] mode3 = (_Bool)0 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=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, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND FALSE !(\read(alive2)) [L157] COND FALSE !((int )send2 != (int )id2) [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, 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, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] mode2 = (_Bool)0 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND FALSE !((int )m3 != (int )nomsg) [L186] mode3 = (_Bool)0 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=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, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND FALSE !(\read(mode2)) [L154] COND FALSE !(\read(alive2)) [L157] COND FALSE !((int )send2 != (int )id2) [L160] mode2 = (_Bool)1 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND FALSE !(\read(mode3)) [L188] COND TRUE \read(alive3) [L189] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L189] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L194] mode3 = (_Bool)1 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND TRUE (int )r1 < 3 [L284] tmp = 1 [L294] return (tmp); [L340] c1 = check() [L352] COND FALSE !(! arg) VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=1, mode2=1, mode3=1, 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, r1=2, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L329] COND TRUE 1 [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND TRUE \read(mode1) [L103] COND FALSE !(r1 == 255) [L106] r1 = r1 + 1 [L107] m1 = p3_old [L108] p3_old = nomsg [L109] COND TRUE (int )m1 != (int )nomsg [L110] COND FALSE !(\read(alive1)) [L118] send1 = m1 [L121] mode1 = (_Bool)0 [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] mode2 = (_Bool)0 [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND FALSE !((int )m3 != (int )nomsg) [L186] mode3 = (_Bool)0 [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L279] int tmp ; [L282] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L283] COND FALSE !((int )r1 < 3) [L286] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L289] tmp = 0 [L294] return (tmp); [L340] c1 = check() [L352] COND TRUE ! arg VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=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, r1=3, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L354] __VERIFIER_error() VAL [alive1=0, alive2=0, alive3=1, id1=0, id2=2, id3=1, mode1=0, mode2=0, mode3=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, r1=3, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.28 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. * Boogie Preprocessor took 21.03 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 866.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.6 MB in the end (delta: 165.2 MB). Peak memory consumption was 165.2 MB. Max. memory is 11.5 GB. * CodeCheck took 48202.40 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 334.5 MB). Free memory was 921.6 MB in the beginning and 846.1 MB in the end (delta: 75.6 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.48 ms. Allocated memory is still 1.5 GB. Free memory was 846.1 MB in the beginning and 829.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...