./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/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 dd1724e619d2e8fc18a4dc8aa6c726656a51fc7e14f993d511c4c773ed4748f3 --- 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 [2022-12-15 01:15:44,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:15:44,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:15:45,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:15:45,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:15:45,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:15:45,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:15:45,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:15:45,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:15:45,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:15:45,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:15:45,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:15:45,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:15:45,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:15:45,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:15:45,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:15:45,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:15:45,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:15:45,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:15:45,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:15:45,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:15:45,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:15:45,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:15:45,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:15:45,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:15:45,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:15:45,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:15:45,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:15:45,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:15:45,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:15:45,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:15:45,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:15:45,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:15:45,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:15:45,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:15:45,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:15:45,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:15:45,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:15:45,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:15:45,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:15:45,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:15:45,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:15:45,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:15:45,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:15:45,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:15:45,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:15:45,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:15:45,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:15:45,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:15:45,048 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:15:45,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:15:45,050 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:15:45,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:15:45,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:45,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:15:45,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:15:45,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:15:45,051 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:15:45,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:15:45,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:15:45,051 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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd1724e619d2e8fc18a4dc8aa6c726656a51fc7e14f993d511c4c773ed4748f3 [2022-12-15 01:15:45,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:15:45,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:15:45,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:15:45,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:15:45,246 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:15:45,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2022-12-15 01:15:47,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:15:48,044 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:15:48,045 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2022-12-15 01:15:48,051 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/data/c33450614/d6e62e4ce87847b4a385fd1e4492613b/FLAGcf93a653c [2022-12-15 01:15:48,061 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/data/c33450614/d6e62e4ce87847b4a385fd1e4492613b [2022-12-15 01:15:48,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:15:48,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:15:48,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:48,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:15:48,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:15:48,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196767c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48, skipping insertion in model container [2022-12-15 01:15:48,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:15:48,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:15:48,275 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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2022-12-15 01:15:48,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:48,286 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:15:48,328 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_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c[17005,17018] [2022-12-15 01:15:48,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:15:48,340 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:15:48,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48 WrapperNode [2022-12-15 01:15:48,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:15:48,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:48,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:15:48,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:15:48,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,378 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 412 [2022-12-15 01:15:48,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:15:48,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:15:48,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:15:48,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:15:48,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:15:48,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:15:48,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:15:48,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:15:48,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:15:48" (1/1) ... [2022-12-15 01:15:48,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:15:48,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:15:48,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:15:48,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6dbcc62-d5aa-44b0-b4d0-d97907153fa2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:15:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:15:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:15:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:15:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:15:48,544 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:15:48,545 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:15:48,938 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:15:49,481 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:15:49,481 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:15:49,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:49 BoogieIcfgContainer [2022-12-15 01:15:49,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:15:49,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:15:49,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:15:49,494 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:15:49,495 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:15:49" (1/1) ... [2022-12-15 01:15:49,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:15:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:15:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 01:15:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 01:15:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:15:49,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:15:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:15:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:15:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:15:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:15:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-12-15 01:15:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-12-15 01:15:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:15:51,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:15:51,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:15:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:15:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:15:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:15:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-12-15 01:15:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-12-15 01:15:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:15:58,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:15:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:15:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:16:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:16:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2022-12-15 01:16:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2022-12-15 01:16:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:16:03,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:16:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:16:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:16:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:17:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:17:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2022-12-15 01:17:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2022-12-15 01:17:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:17:34,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:17:34,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:17:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:17:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:17:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:17:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2022-12-15 01:17:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2022-12-15 01:17:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:17:52,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:17:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:17:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat