./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/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 233676c1e8a1b5798ecf495818fb18bbff45b7aea47a9aff904b2f64a9e366a2 --- 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 16:50:40,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:40,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:41,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:41,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:41,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:41,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:41,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:41,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:41,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:41,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:41,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:41,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:41,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:41,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:41,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:41,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:41,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:41,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:41,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:41,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:41,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:41,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:41,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:41,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:41,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:41,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:41,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:41,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:41,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:41,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:41,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:41,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:41,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:41,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:41,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:41,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:41,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:41,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:41,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:41,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:41,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:41,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:41,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:41,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:41,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:41,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:41,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:41,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:41,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:41,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:41,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:41,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:41,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:41,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:41,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:41,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:41,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:41,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:41,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:41,151 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:41,151 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:41,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:41,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:41,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:41,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:41,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:41,152 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:41,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:41,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:41,154 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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 233676c1e8a1b5798ecf495818fb18bbff45b7aea47a9aff904b2f64a9e366a2 [2022-10-17 16:50:41,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:41,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:41,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:41,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:41,438 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:41,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:50:41,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/data/bf95ea78a/23fb0d7725db4b67a1e329e8711874e0/FLAGe6f35d222 [2022-10-17 16:50:42,047 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:42,047 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:50:42,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/data/bf95ea78a/23fb0d7725db4b67a1e329e8711874e0/FLAGe6f35d222 [2022-10-17 16:50:42,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/data/bf95ea78a/23fb0d7725db4b67a1e329e8711874e0 [2022-10-17 16:50:42,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:42,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:42,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:42,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:42,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:42,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42, skipping insertion in model container [2022-10-17 16:50:42,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:42,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:42,704 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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6876,6889] [2022-10-17 16:50:42,720 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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9071,9084] [2022-10-17 16:50:42,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:42,744 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:42,815 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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6876,6889] [2022-10-17 16:50:42,831 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_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9071,9084] [2022-10-17 16:50:42,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:42,877 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:42,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42 WrapperNode [2022-10-17 16:50:42,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:42,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:42,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:42,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:42,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,938 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 447 [2022-10-17 16:50:42,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:42,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:42,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:42,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:42,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:42,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:42,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:42,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:42,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:43,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:43,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:43,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e22fb1-bdc7-41b4-a7e4-dcd41a600283/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:43,274 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:43,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:43,810 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:43,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:43,981 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:50:43,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:43 BoogieIcfgContainer [2022-10-17 16:50:43,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:43,987 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:43,987 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:43,997 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:43,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:43" (1/1) ... [2022-10-17 16:50:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2022-10-17 16:50:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2022-10-17 16:50:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:50:44,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,620 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 16:50:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2022-10-17 16:50:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2022-10-17 16:50:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:50:44,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,918 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 16:50:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2022-10-17 16:50:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2022-10-17 16:50:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:50:45,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,554 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 16:50:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2022-10-17 16:50:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2022-10-17 16:50:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:50:45,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,784 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 16:50:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 133 transitions. [2022-10-17 16:50:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 133 transitions. [2022-10-17 16:50:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:50:45,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,995 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 16:50:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2022-10-17 16:50:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2022-10-17 16:50:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:50:46,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,083 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 16:50:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 77 states and 126 transitions. [2022-10-17 16:50:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 126 transitions. [2022-10-17 16:50:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:50:47,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:50,804 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 16:51:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 77 states and 124 transitions. [2022-10-17 16:51:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2022-10-17 16:51:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:01,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:07,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.