./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.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_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d --- 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 10:57:29,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:57:29,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:57:29,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:57:29,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:57:29,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:57:29,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:57:29,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:57:29,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:57:29,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:57:29,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:57:29,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:57:29,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:57:29,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:57:29,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:57:29,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:57:29,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:57:29,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:57:29,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:57:29,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:57:29,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:57:29,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:57:29,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:57:29,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:57:29,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:57:29,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:57:29,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:57:29,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:57:29,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:57:29,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:57:29,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:57:29,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:57:29,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:57:29,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:57:29,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:57:29,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:57:29,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:57:29,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:57:29,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:57:29,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:57:29,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:57:29,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:57:29,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:57:29,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:57:29,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:57:29,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:57:29,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:57:29,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:57:29,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:57:29,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:57:29,300 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:57:29,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:57:29,301 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:57:29,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:57:29,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:57:29,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:57:29,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:57:29,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:57:29,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:57:29,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:57:29,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:57:29,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:57:29,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:57:29,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:57:29,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:57:29,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:57:29,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:57:29,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:57:29,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:57:29,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:57:29,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:57:29,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:57:29,312 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:57:29,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:57:29,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:57:29,315 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_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d [2022-10-17 10:57:29,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:57:29,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:57:29,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:57:29,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:57:29,637 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:57:29,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2022-10-17 10:57:29,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/data/96d29be42/e2204865c7884577978a2c8ee2b64bd4/FLAG40409ae51 [2022-10-17 10:57:30,470 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:57:30,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2022-10-17 10:57:30,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/data/96d29be42/e2204865c7884577978a2c8ee2b64bd4/FLAG40409ae51 [2022-10-17 10:57:30,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/data/96d29be42/e2204865c7884577978a2c8ee2b64bd4 [2022-10-17 10:57:30,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:57:30,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:57:30,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:57:30,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:57:30,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:57:30,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:57:30" (1/1) ... [2022-10-17 10:57:30,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc1840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:30, skipping insertion in model container [2022-10-17 10:57:30,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:57:30" (1/1) ... [2022-10-17 10:57:30,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:57:30,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:57:31,008 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_d4907817-1097-48b2-811d-26caa87c9dec/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2022-10-17 10:57:31,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:57:31,448 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:57:31,470 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_d4907817-1097-48b2-811d-26caa87c9dec/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2022-10-17 10:57:31,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:57:31,742 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:57:31,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31 WrapperNode [2022-10-17 10:57:31,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:57:31,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:57:31,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:57:31,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:57:31,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:31,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,004 INFO L138 Inliner]: procedures = 62, calls = 2058, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4377 [2022-10-17 10:57:32,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:57:32,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:57:32,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:57:32,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:57:32,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:57:32,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:57:32,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:57:32,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:57:32,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (1/1) ... [2022-10-17 10:57:32,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:57:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:57:32,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:57:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4907817-1097-48b2-811d-26caa87c9dec/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:57:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:57:32,412 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-10-17 10:57:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-10-17 10:57:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 10:57:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 10:57:32,413 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 10:57:32,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 10:57:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:57:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 10:57:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 10:57:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 10:57:32,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 10:57:32,414 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 10:57:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 10:57:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:57:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 10:57:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 10:57:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 10:57:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 10:57:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-10-17 10:57:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-10-17 10:57:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 10:57:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 10:57:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 10:57:32,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 10:57:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-17 10:57:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-17 10:57:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:57:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:57:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-17 10:57:32,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-17 10:57:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 10:57:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 10:57:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-10-17 10:57:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-10-17 10:57:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-17 10:57:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-17 10:57:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:57:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:57:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:57:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:57:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:57:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 10:57:32,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 10:57:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 10:57:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 10:57:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 10:57:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 10:57:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-10-17 10:57:32,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-10-17 10:57:32,907 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:57:32,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:57:40,627 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:57:40,672 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:57:40,672 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:57:40,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:57:40 BoogieIcfgContainer [2022-10-17 10:57:40,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:57:40,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:57:40,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:57:40,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:57:40,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:57:30" (1/3) ... [2022-10-17 10:57:40,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c38f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:57:40, skipping insertion in model container [2022-10-17 10:57:40,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:57:31" (2/3) ... [2022-10-17 10:57:40,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c38f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:57:40, skipping insertion in model container [2022-10-17 10:57:40,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:57:40" (3/3) ... [2022-10-17 10:57:40,688 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M1-2.c [2022-10-17 10:57:40,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:57:40,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:57:40,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:57:40,817 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c81b572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:57:40,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:57:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 1363 states, 859 states have (on average 1.2747380675203726) internal successors, (1095), 890 states have internal predecessors, (1095), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 479 states have call predecessors, (481), 481 states have call successors, (481) [2022-10-17 10:57:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2022-10-17 10:57:40,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:57:40,968 INFO L195 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:57:40,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:57:40,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:57:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash -136158561, now seen corresponding path program 1 times [2022-10-17 10:57:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:57:40,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857961020] [2022-10-17 10:57:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:57:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms