./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.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_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/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_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/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_d7897497-c48a-4891-b002-1a67b241175f/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 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 --- 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 16:38:25,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:25,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:25,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:25,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:25,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:25,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:25,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:25,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:25,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:25,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:25,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:25,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:25,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:25,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:25,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:25,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:25,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:25,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:25,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:25,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:25,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:25,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:25,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:25,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:25,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:25,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:25,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:25,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:25,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:25,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:25,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:25,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:25,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:25,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:25,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:25,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:25,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:25,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:25,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:25,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:25,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:25,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:25,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:25,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:25,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:25,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:25,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:25,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:25,740 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:25,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:25,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:25,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:25,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:25,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:25,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:25,742 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:25,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:25,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:25,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:25,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:25,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:25,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:25,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:25,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:25,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:25,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:25,745 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:25,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:25,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:25,746 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_d7897497-c48a-4891-b002-1a67b241175f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 [2022-10-17 16:38:26,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:26,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:26,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:26,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:26,069 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:26,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2022-10-17 16:38:26,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/852cdc3a4/03b5fe672811421bba9f2b0c66642b7e/FLAG8dd8f7304 [2022-10-17 16:38:26,753 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:26,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2022-10-17 16:38:26,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/852cdc3a4/03b5fe672811421bba9f2b0c66642b7e/FLAG8dd8f7304 [2022-10-17 16:38:26,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/852cdc3a4/03b5fe672811421bba9f2b0c66642b7e [2022-10-17 16:38:26,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:26,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:26,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:26,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:26,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:26,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:26" (1/1) ... [2022-10-17 16:38:26,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e13f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:26, skipping insertion in model container [2022-10-17 16:38:26,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:26" (1/1) ... [2022-10-17 16:38:27,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:27,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:27,293 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_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2022-10-17 16:38:27,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:27,744 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:27,759 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_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2022-10-17 16:38:28,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:28,063 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:28,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28 WrapperNode [2022-10-17 16:38:28,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:28,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:28,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:28,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:28,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,351 INFO L138 Inliner]: procedures = 55, calls = 2046, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 3968 [2022-10-17 16:38:28,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:28,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:28,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:28,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:28,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:28,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:28,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:28,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:28,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:28,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:28,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:28,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:28,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:38:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:38:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:38:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:38:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:38:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:38:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:38:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:38:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:38:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:38:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:38:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:38:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:38:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:38:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:38:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:38:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:38:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:38:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:38:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:28,819 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-10-17 16:38:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-10-17 16:38:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:38:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:38:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:38:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:38:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:38:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:38:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:38:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:38:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:38:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:38:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:38:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:38:29,375 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:29,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:55,172 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:55,295 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:55,295 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:38:55,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:55 BoogieIcfgContainer [2022-10-17 16:38:55,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:55,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:55,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:55,313 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:55,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:55" (1/1) ... [2022-10-17 16:38:55,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1565 states and 2379 transitions. [2022-10-17 16:38:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2379 transitions. [2022-10-17 16:38:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6208 [2022-10-17 16:38:56,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,321 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:38:56,330 INFO L158 Benchmark]: Toolchain (without parser) took 29343.20ms. Allocated memory was 98.6MB in the beginning and 224.4MB in the end (delta: 125.8MB). Free memory was 58.1MB in the beginning and 136.6MB in the end (delta: -78.4MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,331 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:56,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1084.64ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 57.9MB in the beginning and 98.0MB in the end (delta: -40.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 276.37ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 74.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,333 INFO L158 Benchmark]: Boogie Preprocessor took 359.59ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 85.6MB in the end (delta: -11.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,334 INFO L158 Benchmark]: RCFGBuilder took 26588.12ms. Allocated memory was 132.1MB in the beginning and 224.4MB in the end (delta: 92.3MB). Free memory was 85.0MB in the beginning and 124.6MB in the end (delta: -39.6MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,335 INFO L158 Benchmark]: CodeCheck took 1025.53ms. Allocated memory is still 224.4MB. Free memory was 124.6MB in the beginning and 136.6MB in the end (delta: -12.0MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2022-10-17 16:38:56,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1084.64ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 57.9MB in the beginning and 98.0MB in the end (delta: -40.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 276.37ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 74.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 359.59ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 85.6MB in the end (delta: -11.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * RCFGBuilder took 26588.12ms. Allocated memory was 132.1MB in the beginning and 224.4MB in the end (delta: 92.3MB). Free memory was 85.0MB in the beginning and 124.6MB in the end (delta: -39.6MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * CodeCheck took 1025.53ms. Allocated memory is still 224.4MB. Free memory was 124.6MB in the beginning and 136.6MB in the end (delta: -12.0MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:38:56,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/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_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/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 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 --- 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 16:38:58,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:58,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:58,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:58,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:58,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:58,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:58,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:58,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:58,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:58,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:58,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:58,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:58,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:58,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:58,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:59,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:59,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:59,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:59,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:59,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:59,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:59,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:59,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:59,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:59,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:59,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:59,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:59,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:59,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:59,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:59,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:59,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:59,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:59,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:59,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:59,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:59,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:59,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:59,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:59,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:59,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:38:59,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:59,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:59,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:59,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:59,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:59,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:59,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:59,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:59,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:59,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:59,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:59,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:59,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:59,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:38:59,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:38:59,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:38:59,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:59,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:59,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:59,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:59,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:59,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:59,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:59,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:59,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:59,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:38:59,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:38:59,127 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d7897497-c48a-4891-b002-1a67b241175f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3815bc174681e4b15285bf80b6019df1e4400d301be17580b1900d66fa790fc8 [2022-10-17 16:38:59,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:59,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:59,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:59,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:59,539 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:59,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2022-10-17 16:38:59,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/f6c9f5e53/6bd5ac40cc6e4a2f95cb4b72160ec848/FLAGab49f86c7 [2022-10-17 16:39:00,362 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:00,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c [2022-10-17 16:39:00,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/f6c9f5e53/6bd5ac40cc6e4a2f95cb4b72160ec848/FLAGab49f86c7 [2022-10-17 16:39:00,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/data/f6c9f5e53/6bd5ac40cc6e4a2f95cb4b72160ec848 [2022-10-17 16:39:00,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:00,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:00,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:00,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:00,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:00,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:00" (1/1) ... [2022-10-17 16:39:00,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277827c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:00, skipping insertion in model container [2022-10-17 16:39:00,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:00" (1/1) ... [2022-10-17 16:39:00,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:00,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:00,811 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_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2022-10-17 16:39:01,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:01,353 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:01,383 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_d7897497-c48a-4891-b002-1a67b241175f/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M4-2.c[1509,1522] [2022-10-17 16:39:01,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:01,653 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:01,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01 WrapperNode [2022-10-17 16:39:01,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:01,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:01,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:01,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:01,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,965 INFO L138 Inliner]: procedures = 58, calls = 2046, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 3965 [2022-10-17 16:39:01,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:01,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:01,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:01,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:01,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:02,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:02,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:02,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:02,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:02,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:02,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:02,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7897497-c48a-4891-b002-1a67b241175f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:39:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 16:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:39:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:39:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:39:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 16:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-10-17 16:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-10-17 16:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:39:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:39:03,169 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:03,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation