./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB --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 ff26d52d3dd6862aaa491849b175f59b72df2f5a860b195ac82ad5bea041e83f --- 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-dbf71c6-m [2022-10-17 16:31:20,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:20,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:21,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:21,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:21,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:21,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:21,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:21,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:21,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:21,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:21,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:21,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:21,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:21,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:21,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:21,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:21,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:21,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:21,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:21,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:21,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:21,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:21,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:21,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:21,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:21,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:21,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:21,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:21,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:21,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:21,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:21,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:21,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:21,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:21,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:21,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:21,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:21,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:21,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:21,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:21,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:21,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:21,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:21,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:21,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:21,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:21,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:21,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:21,150 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:21,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:21,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:21,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:21,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:21,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:21,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:21,153 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:21,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:21,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:21,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:21,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:21,155 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:21,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:21,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:21,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:21,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:21,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:21,156 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:21,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:21,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:21,176 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_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff26d52d3dd6862aaa491849b175f59b72df2f5a860b195ac82ad5bea041e83f [2022-10-17 16:31:21,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:21,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:21,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:21,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:21,503 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:21,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c [2022-10-17 16:31:21,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/data/228fbd407/9f55b9dd262745ce9c477e10a1ac13cb/FLAGf6f7c89ed [2022-10-17 16:31:22,557 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:22,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c [2022-10-17 16:31:22,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/data/228fbd407/9f55b9dd262745ce9c477e10a1ac13cb/FLAGf6f7c89ed [2022-10-17 16:31:22,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/data/228fbd407/9f55b9dd262745ce9c477e10a1ac13cb [2022-10-17 16:31:22,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:22,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:22,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:22,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:22,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:22,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:22" (1/1) ... [2022-10-17 16:31:22,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e26f574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:22, skipping insertion in model container [2022-10-17 16:31:22,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:22" (1/1) ... [2022-10-17 16:31:22,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:23,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:25,552 WARN L230 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_8b570568-da2e-4c1c-8421-20693aed8e53/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[382357,382370] [2022-10-17 16:31:25,579 WARN L230 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_8b570568-da2e-4c1c-8421-20693aed8e53/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[383339,383352] [2022-10-17 16:31:25,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:25,784 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:27,102 WARN L230 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_8b570568-da2e-4c1c-8421-20693aed8e53/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[382357,382370] [2022-10-17 16:31:27,106 WARN L230 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_8b570568-da2e-4c1c-8421-20693aed8e53/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[383339,383352] [2022-10-17 16:31:27,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:27,225 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:27,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27 WrapperNode [2022-10-17 16:31:27,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:27,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:27,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:27,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:27,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:27,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,039 INFO L138 Inliner]: procedures = 48, calls = 47, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12619 [2022-10-17 16:31:28,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:28,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:28,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:28,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:28,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:28,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:28,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:28,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:28,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:27" (1/1) ... [2022-10-17 16:31:28,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:28,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:28,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:28,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b570568-da2e-4c1c-8421-20693aed8e53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:31:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:31:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:31:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:31:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:31:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:31:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:31:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:31:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:31:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:31:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:31:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:31:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:28,762 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:28,765 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:37,627 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:39,748 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:39,749 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:31:39,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:39 BoogieIcfgContainer [2022-10-17 16:31:39,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:39,757 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:39,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:39,770 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:39,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:39" (1/1) ... [2022-10-17 16:31:39,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1721 states and 3385 transitions. [2022-10-17 16:31:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 3385 transitions. [2022-10-17 16:31:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:39,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1729 states and 3399 transitions. [2022-10-17 16:31:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 3399 transitions. [2022-10-17 16:31:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:40,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1730 states and 3399 transitions. [2022-10-17 16:31:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 3399 transitions. [2022-10-17 16:31:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:40,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 1731 states and 3399 transitions. [2022-10-17 16:31:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 3399 transitions. [2022-10-17 16:31:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:40,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 1734 states and 3404 transitions. [2022-10-17 16:31:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3404 transitions. [2022-10-17 16:31:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:41,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:41,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1742 states and 3419 transitions. [2022-10-17 16:31:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3419 transitions. [2022-10-17 16:31:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:31:41,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:41,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 1755 states and 3446 transitions. [2022-10-17 16:31:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3446 transitions. [2022-10-17 16:31:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:31:42,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:42,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:31:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 1760 states and 3457 transitions. [2022-10-17 16:31:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3457 transitions. [2022-10-17 16:31:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:43,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:31:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 1761 states and 3458 transitions. [2022-10-17 16:31:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3458 transitions. [2022-10-17 16:31:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:43,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1776 states and 3492 transitions. [2022-10-17 16:31:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3492 transitions. [2022-10-17 16:31:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:45,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:31:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 1781 states and 3504 transitions. [2022-10-17 16:31:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3504 transitions. [2022-10-17 16:31:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:31:45,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:31:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1775 states and 3491 transitions. [2022-10-17 16:31:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 3491 transitions. [2022-10-17 16:31:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:45,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:31:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 1776 states and 3492 transitions. [2022-10-17 16:31:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3492 transitions. [2022-10-17 16:31:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:46,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 1793 states and 3531 transitions. [2022-10-17 16:31:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3531 transitions. [2022-10-17 16:31:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:49,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.