./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf92f342b2da275c63d151f2d4ed52683d7003506826ae2897efde5e3c66195f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:37:33,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:37:33,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:37:33,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:37:33,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:37:33,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:37:33,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:37:33,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:37:33,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:37:33,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:37:33,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:37:33,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:37:33,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:37:33,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:37:33,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:37:33,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:37:33,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:37:33,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:37:33,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:37:33,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:37:33,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:37:33,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:37:33,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:37:33,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:37:33,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:37:33,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:37:33,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:37:33,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:37:33,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:37:33,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:37:33,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:37:33,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:37:33,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:37:33,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:37:33,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:37:33,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:37:33,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:37:33,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:37:33,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:37:33,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:37:33,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:37:33,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:37:33,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:37:33,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:37:33,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:37:33,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:37:33,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:37:33,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:37:33,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:37:33,152 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:37:33,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:37:33,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:37:33,153 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:37:33,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:37:33,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:37:33,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:37:33,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf92f342b2da275c63d151f2d4ed52683d7003506826ae2897efde5e3c66195f [2022-12-14 16:37:33,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:37:33,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:37:33,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:37:33,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:37:33,335 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:37:33,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-12-14 16:37:35,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:37:36,060 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:37:36,060 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c [2022-12-14 16:37:36,069 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/data/bb057a34c/1d842fe8639943d3b6ad98640eee48bb/FLAGdacc798dc [2022-12-14 16:37:36,432 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/data/bb057a34c/1d842fe8639943d3b6ad98640eee48bb [2022-12-14 16:37:36,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:37:36,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:37:36,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:37:36,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:37:36,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:37:36,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47208309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36, skipping insertion in model container [2022-12-14 16:37:36,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:37:36,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:37:36,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c[14373,14386] [2022-12-14 16:37:36,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:37:36,621 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:37:36,658 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c[14373,14386] [2022-12-14 16:37:36,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:37:36,669 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:37:36,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36 WrapperNode [2022-12-14 16:37:36,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:37:36,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:37:36,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:37:36,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:37:36,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,704 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 455 [2022-12-14 16:37:36,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:37:36,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:37:36,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:37:36,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:37:36,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:37:36,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:37:36,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:37:36,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:37:36,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:37:36" (1/1) ... [2022-12-14 16:37:36,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:37:36,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:37:36,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:37:36,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:37:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:37:36,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:37:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:37:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:37:36,870 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:37:36,871 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:37:37,278 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:37:37,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:37:37,726 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:37:37,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:37 BoogieIcfgContainer [2022-12-14 16:37:37,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:37:37,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:37:37,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:37:37,736 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:37:37,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:37" (1/1) ... [2022-12-14 16:37:37,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:37:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-12-14 16:37:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-12-14 16:37:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:37:37,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:37,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-12-14 16:37:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-12-14 16:37:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:37:39,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-12-14 16:37:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-12-14 16:37:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:37:40,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2022-12-14 16:37:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2022-12-14 16:37:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:37:41,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:41,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-14 16:37:42,176 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-14 16:37:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:37:42,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:42,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2022-12-14 16:37:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2022-12-14 16:37:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:37:43,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:43,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2022-12-14 16:37:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2022-12-14 16:37:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:37:44,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:44,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2022-12-14 16:37:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2022-12-14 16:37:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:37:44,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:44,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2022-12-14 16:37:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-12-14 16:37:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:37:44,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:44,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:46,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:46,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2022-12-14 16:37:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2022-12-14 16:37:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:37:46,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:46,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:46,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2022-12-14 16:37:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2022-12-14 16:37:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:37:46,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:46,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2022-12-14 16:37:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2022-12-14 16:37:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:37:51,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 188 transitions. [2022-12-14 16:37:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2022-12-14 16:37:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:37:56,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 198 transitions. [2022-12-14 16:37:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 198 transitions. [2022-12-14 16:37:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:37:58,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:58,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 112 states and 241 transitions. [2022-12-14 16:38:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 241 transitions. [2022-12-14 16:38:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:38:05,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:05,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 128 states and 282 transitions. [2022-12-14 16:38:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 282 transitions. [2022-12-14 16:38:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:38:12,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:12,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 144 states and 321 transitions. [2022-12-14 16:38:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 321 transitions. [2022-12-14 16:38:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:38:19,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:19,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 352 transitions. [2022-12-14 16:38:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 352 transitions. [2022-12-14 16:38:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:38:26,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:26,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 160 states and 361 transitions. [2022-12-14 16:38:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 361 transitions. [2022-12-14 16:38:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:38:29,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 161 states and 362 transitions. [2022-12-14 16:38:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 362 transitions. [2022-12-14 16:38:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:38:32,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:38:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:38:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:38:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 162 states and 363 transitions. [2022-12-14 16:38:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 363 transitions. [2022-12-14 16:38:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:38:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:38:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:38:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:38:35,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:38:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:38:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:38:35,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:38:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:38:36,021 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2022-12-14 16:38:36,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:38:36 ImpRootNode [2022-12-14 16:38:36,088 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:38:36,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:38:36,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:38:36,089 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:38:36,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:37:37" (3/4) ... [2022-12-14 16:38:36,090 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 16:38:36,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:38:36,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:38:36,199 INFO L158 Benchmark]: Toolchain (without parser) took 59763.26ms. Allocated memory was 176.2MB in the beginning and 564.1MB in the end (delta: 388.0MB). Free memory was 144.7MB in the beginning and 387.5MB in the end (delta: -242.8MB). Peak memory consumption was 146.0MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,199 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 53.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:38:36,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.34ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 127.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.51ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,200 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 176.2MB. Free memory was 124.5MB in the beginning and 121.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,200 INFO L158 Benchmark]: RCFGBuilder took 997.47ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 121.6MB in the beginning and 135.8MB in the end (delta: -14.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,200 INFO L158 Benchmark]: CodeCheck took 58359.20ms. Allocated memory was 218.1MB in the beginning and 564.1MB in the end (delta: 346.0MB). Free memory was 135.8MB in the beginning and 398.0MB in the end (delta: -262.2MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,200 INFO L158 Benchmark]: Witness Printer took 109.69ms. Allocated memory is still 564.1MB. Free memory was 398.0MB in the beginning and 387.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:38:36,202 INFO L339 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.3s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2847 SdHoareTripleChecker+Valid, 18.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2217 mSDsluCounter, 1369 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1067 mSDsCounter, 1129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8249 IncrementalHoareTripleChecker+Invalid, 9378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1129 mSolverCounterUnsat, 302 mSDtfsCounter, 8249 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3649 GetRequests, 3070 SyntacticMatches, 71 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148829 ImplicationChecksByTransitivity, 39.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 3661 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 20/60 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: 600]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] msg_t nomsg = (msg_t )-1; [L28] port_t p12 ; [L29] char p12_old ; [L30] char p12_new ; [L31] _Bool ep12 ; [L32] port_t p13 ; [L33] char p13_old ; [L34] char p13_new ; [L35] _Bool ep13 ; [L36] port_t p21 ; [L37] char p21_old ; [L38] char p21_new ; [L39] _Bool ep21 ; [L40] port_t p23 ; [L41] char p23_old ; [L42] char p23_new ; [L43] _Bool ep23 ; [L44] port_t p31 ; [L45] char p31_old ; [L46] char p31_new ; [L47] _Bool ep31 ; [L48] port_t p32 ; [L49] char p32_old ; [L50] char p32_new ; [L51] _Bool ep32 ; [L52] char id1 ; [L53] char r1 ; [L54] char st1 ; [L55] char nl1 ; [L56] char m1 ; [L57] char max1 ; [L58] _Bool mode1 ; [L59] _Bool newmax1 ; [L60] char id2 ; [L61] char r2 ; [L62] char st2 ; [L63] char nl2 ; [L64] char m2 ; [L65] char max2 ; [L66] _Bool mode2 ; [L67] _Bool newmax2 ; [L68] char id3 ; [L69] char r3 ; [L70] char st3 ; [L71] char nl3 ; [L72] char m3 ; [L73] char max3 ; [L74] _Bool mode3 ; [L75] _Bool newmax3 ; [L518] int c1 ; [L519] int i2 ; [L522] c1 = 0 [L523] ep12 = __VERIFIER_nondet_bool() [L524] ep13 = __VERIFIER_nondet_bool() [L525] ep21 = __VERIFIER_nondet_bool() [L526] ep23 = __VERIFIER_nondet_bool() [L527] ep31 = __VERIFIER_nondet_bool() [L528] ep32 = __VERIFIER_nondet_bool() [L529] id1 = __VERIFIER_nondet_char() [L530] r1 = __VERIFIER_nondet_char() [L531] st1 = __VERIFIER_nondet_char() [L532] nl1 = __VERIFIER_nondet_char() [L533] m1 = __VERIFIER_nondet_char() [L534] max1 = __VERIFIER_nondet_char() [L535] mode1 = __VERIFIER_nondet_bool() [L536] newmax1 = __VERIFIER_nondet_bool() [L537] id2 = __VERIFIER_nondet_char() [L538] r2 = __VERIFIER_nondet_char() [L539] st2 = __VERIFIER_nondet_char() [L540] nl2 = __VERIFIER_nondet_char() [L541] m2 = __VERIFIER_nondet_char() [L542] max2 = __VERIFIER_nondet_char() [L543] mode2 = __VERIFIER_nondet_bool() [L544] newmax2 = __VERIFIER_nondet_bool() [L545] id3 = __VERIFIER_nondet_char() [L546] r3 = __VERIFIER_nondet_char() [L547] st3 = __VERIFIER_nondet_char() [L548] nl3 = __VERIFIER_nondet_char() [L549] m3 = __VERIFIER_nondet_char() [L550] max3 = __VERIFIER_nondet_char() [L551] mode3 = __VERIFIER_nondet_bool() [L552] newmax3 = __VERIFIER_nondet_bool() [L553] CALL, EXPR init() [L231] _Bool r121 ; [L232] _Bool r131 ; [L233] _Bool r211 ; [L234] _Bool r231 ; [L235] _Bool r311 ; [L236] _Bool r321 ; [L237] _Bool r122 ; [L238] int tmp ; [L239] _Bool r132 ; [L240] int tmp___0 ; [L241] _Bool r212 ; [L242] int tmp___1 ; [L243] _Bool r232 ; [L244] int tmp___2 ; [L245] _Bool r312 ; [L246] int tmp___3 ; [L247] _Bool r322 ; [L248] int tmp___4 ; [L249] int tmp___5 ; [L252] r121 = ep12 [L253] r131 = ep13 [L254] r211 = ep21 [L255] r231 = ep23 [L256] r311 = ep31 [L257] r321 = ep32 [L258] COND TRUE \read(r121) [L259] tmp = 1 [L270] r122 = (_Bool )tmp [L271] COND TRUE \read(r131) [L272] tmp___0 = 1 [L283] r132 = (_Bool )tmp___0 [L284] COND TRUE \read(r211) [L285] tmp___1 = 1 [L296] r212 = (_Bool )tmp___1 [L297] COND TRUE \read(r231) [L298] tmp___2 = 1 [L309] r232 = (_Bool )tmp___2 [L310] COND FALSE !(\read(r311)) [L313] COND TRUE \read(r321) [L314] COND TRUE \read(ep21) [L315] tmp___3 = 1 [L322] r312 = (_Bool )tmp___3 [L323] COND TRUE \read(r321) [L324] tmp___4 = 1 [L335] r322 = (_Bool )tmp___4 [L336] COND TRUE (int )id1 != (int )id2 [L337] COND TRUE (int )id1 != (int )id3 [L338] COND TRUE (int )id2 != (int )id3 [L339] COND TRUE (int )id1 >= 0 [L340] COND TRUE (int )id2 >= 0 [L341] COND TRUE (int )id3 >= 0 [L342] COND TRUE (int )r1 == 0 [L343] COND TRUE (int )r2 == 0 [L344] COND TRUE (int )r3 == 0 [L345] COND TRUE \read(r122) [L346] COND TRUE \read(r132) [L347] COND TRUE \read(r212) [L348] COND TRUE \read(r232) [L349] COND TRUE \read(r312) [L350] COND TRUE \read(r322) [L351] COND TRUE (int )max1 == (int )id1 [L352] COND TRUE (int )max2 == (int )id2 [L353] COND TRUE (int )max3 == (int )id3 [L354] COND TRUE (int )st1 == 0 [L355] COND TRUE (int )st2 == 0 [L356] COND TRUE (int )st3 == 0 [L357] COND TRUE (int )nl1 == 0 [L358] COND TRUE (int )nl2 == 0 [L359] COND TRUE (int )nl3 == 0 [L360] COND TRUE (int )mode1 == 0 [L361] COND TRUE (int )mode2 == 0 [L362] COND TRUE (int )mode3 == 0 [L363] COND TRUE \read(newmax1) [L364] COND TRUE \read(newmax2) [L365] COND TRUE \read(newmax3) [L366] tmp___5 = 1 [L457] return (tmp___5); [L553] RET, EXPR init() [L553] i2 = init() [L554] CALL assume_abort_if_not(i2) [L21] COND FALSE !(!cond) [L554] RET assume_abort_if_not(i2) [L555] p12_old = nomsg [L556] p12_new = nomsg [L557] p13_old = nomsg [L558] p13_new = nomsg [L559] p21_old = nomsg [L560] p21_new = nomsg [L561] p23_old = nomsg [L562] p23_new = nomsg [L563] p31_old = nomsg [L564] p31_new = nomsg [L565] p32_old = nomsg [L566] p32_new = nomsg [L567] i2 = 0 VAL [c1=0, ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, i2=0, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L568] COND TRUE i2 < 6 [L570] CALL node1() [L78] _Bool newmax ; [L81] newmax = (_Bool)0 [L82] COND FALSE !(\read(mode1)) [L110] COND TRUE (int )r1 < 2 [L111] COND TRUE \read(ep12) [L112] COND TRUE \read(newmax1) [L113] p12_new = max1 != nomsg && p12_new == nomsg ? max1 : p12_new [L116] COND TRUE \read(ep13) [L117] COND TRUE \read(newmax1) [L118] p13_new = max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L122] mode1 = (_Bool)1 [L570] RET node1() [L571] CALL node2() [L129] _Bool newmax ; [L132] newmax = (_Bool)0 [L133] COND FALSE !(\read(mode2)) [L161] COND TRUE (int )r2 < 2 [L162] COND TRUE \read(ep21) [L163] COND TRUE \read(newmax2) [L164] p21_new = max2 != nomsg && p21_new == nomsg ? max2 : p21_new [L167] COND TRUE \read(ep23) [L168] COND TRUE \read(newmax2) [L169] p23_new = max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L173] mode2 = (_Bool)1 [L571] RET node2() [L572] CALL node3() [L180] _Bool newmax ; [L183] newmax = (_Bool)0 [L184] COND FALSE !(\read(mode3)) [L212] COND TRUE (int )r3 < 2 [L213] COND FALSE !(\read(ep31)) [L218] COND TRUE \read(ep32) [L219] COND TRUE \read(newmax3) [L220] p32_new = max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L224] mode3 = (_Bool)1 [L572] RET node3() [L573] p12_old = p12_new [L574] p12_new = nomsg [L575] p13_old = p13_new [L576] p13_new = nomsg [L577] p21_old = p21_new [L578] p21_new = nomsg [L579] p23_old = p23_new [L580] p23_new = nomsg [L581] p31_old = p31_new [L582] p31_new = nomsg [L583] p32_old = p32_new [L584] p32_new = nomsg [L585] CALL, EXPR check() [L462] int tmp ; VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L465] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L466] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L467] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L468] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L469] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L472] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L474] COND TRUE (int )r1 < 2 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L479] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L482] COND TRUE ((int )nl1 + (int )nl2) + (int )nl3 == 0 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L484] COND TRUE (int )r1 < 2 [L485] tmp = 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0, tmp=1] [L513] return (tmp); [L585] RET, EXPR check() [L585] c1 = check() [L586] CALL assert(c1) [L598] COND FALSE !(! arg) VAL [\old(arg)=1, arg=1, ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L586] RET assert(c1) [L587] i2 ++ VAL [c1=1, ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, i2=1, id1=126, id2=0, id3=127, m1=-1, m2=125, m3=1, max1=126, max2=0, max3=127, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=126, p13=0, p13_new=-1, p13_old=126, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L568] COND TRUE i2 < 6 [L570] CALL node1() [L78] _Bool newmax ; [L81] newmax = (_Bool)0 [L82] COND TRUE \read(mode1) [L83] r1 = (char )((int )r1 + 1) [L84] COND TRUE \read(ep21) [L85] m1 = p21_old [L86] p21_old = nomsg [L87] COND FALSE !((int )m1 > (int )max1) [L92] COND FALSE !(\read(ep31)) [L100] newmax1 = newmax [L101] COND TRUE (int )r1 == 1 [L102] COND TRUE (int )max1 == (int )id1 [L103] st1 = (char)1 [L108] mode1 = (_Bool)0 [L570] RET node1() [L571] CALL node2() [L129] _Bool newmax ; [L132] newmax = (_Bool)0 [L133] COND TRUE \read(mode2) [L134] r2 = (char )((int )r2 + 1) [L135] COND TRUE \read(ep12) [L136] m2 = p12_old [L137] p12_old = nomsg [L138] COND TRUE (int )m2 > (int )max2 [L139] max2 = m2 [L140] newmax = (_Bool)1 [L143] COND TRUE \read(ep32) [L144] m2 = p32_old [L145] p32_old = nomsg [L146] COND TRUE (int )m2 > (int )max2 [L147] max2 = m2 [L148] newmax = (_Bool)1 [L151] newmax2 = newmax [L152] COND FALSE !((int )r2 == 2) [L159] mode2 = (_Bool)0 [L571] RET node2() [L572] CALL node3() [L180] _Bool newmax ; [L183] newmax = (_Bool)0 [L184] COND TRUE \read(mode3) [L185] r3 = (char )((int )r3 + 1) [L186] COND TRUE \read(ep13) [L187] m3 = p13_old [L188] p13_old = nomsg [L189] COND FALSE !((int )m3 > (int )max3) [L194] COND TRUE \read(ep23) [L195] m3 = p23_old [L196] p23_old = nomsg [L197] COND FALSE !((int )m3 > (int )max3) [L202] newmax3 = newmax [L203] COND FALSE !((int )r3 == 2) [L210] mode3 = (_Bool)0 [L572] RET node3() [L573] p12_old = p12_new [L574] p12_new = nomsg [L575] p13_old = p13_new [L576] p13_new = nomsg [L577] p21_old = p21_new [L578] p21_new = nomsg [L579] p23_old = p23_new [L580] p23_new = nomsg [L581] p31_old = p31_new [L582] p31_new = nomsg [L583] p32_old = p32_new [L584] p32_new = nomsg [L585] CALL, EXPR check() [L462] int tmp ; VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L465] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L466] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L467] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L468] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L469] COND FALSE !((int )r1 >= 2) VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L472] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 0) [L499] tmp = 0 VAL [ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0, tmp=0] [L513] return (tmp); [L585] RET, EXPR check() [L585] c1 = check() [L586] CALL assert(c1) [L598] COND TRUE ! arg VAL [\old(arg)=0, arg=0, ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L600] reach_error() VAL [\old(arg)=0, arg=0, ep12=255, ep13=1, ep21=255, ep23=1, ep31=0, ep32=1, id1=126, id2=0, id3=127, m1=0, m2=127, m3=0, max1=126, max2=127, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 53.5MB in the end (delta: 188.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.34ms. Allocated memory is still 176.2MB. Free memory was 144.7MB in the beginning and 127.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.51ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 124.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 176.2MB. Free memory was 124.5MB in the beginning and 121.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 997.47ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 121.6MB in the beginning and 135.8MB in the end (delta: -14.2MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * CodeCheck took 58359.20ms. Allocated memory was 218.1MB in the beginning and 564.1MB in the end (delta: 346.0MB). Free memory was 135.8MB in the beginning and 398.0MB in the end (delta: -262.2MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * Witness Printer took 109.69ms. Allocated memory is still 564.1MB. Free memory was 398.0MB in the beginning and 387.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 16:38:36,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28cc9c5-f6b8-4394-927b-be6c0832836a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE