./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:11:28,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:11:28,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:11:28,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:11:28,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:11:28,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:11:28,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:11:28,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:11:28,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:11:28,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:11:28,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:11:28,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:11:28,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:11:28,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:11:28,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:11:28,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:11:28,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:11:28,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:11:28,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:11:28,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:11:28,971 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 [2024-11-07 00:11:29,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:11:29,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:11:29,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:11:29,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:11:29,270 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:11:29,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-07 00:11:30,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:11:31,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:11:31,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2024-11-07 00:11:31,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7dfeaf671/5dd47b5fd36748df82607c8250e39a1d/FLAG9493ebc00 [2024-11-07 00:11:31,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7dfeaf671/5dd47b5fd36748df82607c8250e39a1d [2024-11-07 00:11:31,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:11:31,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:11:31,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:11:31,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:11:31,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:11:31,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:11:31" (1/1) ... [2024-11-07 00:11:31,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d0566e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:31, skipping insertion in model container [2024-11-07 00:11:31,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:11:31" (1/1) ... [2024-11-07 00:11:31,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:11:31,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c[2232,2245] [2024-11-07 00:11:32,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:11:32,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:11:32,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2024-11-07 00:11:32,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c[2232,2245] [2024-11-07 00:11:33,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:11:33,782 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:11:33,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33 WrapperNode [2024-11-07 00:11:33,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:11:33,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:11:33,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:11:33,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:11:33,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:34,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:35,816 INFO L138 Inliner]: procedures = 61, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43681 [2024-11-07 00:11:35,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:11:35,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:11:35,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:11:35,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:11:35,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:35,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:36,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:36,557 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [8, 2, 194, 17, 9, 2784, 3760, 2408, 2, 1672, 1188, 852, 325, 429, 325, 2, 429, 325, 7, 429, 8, 325, 429, 4]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [0, 2, 0, 8, 4, 96, 96, 8, 0, 8, 4, 4, 108, 108, 108, 0, 108, 108, 2, 108, 0, 108, 108, 0]. The 1193 writes are split as follows [4, 0, 98, 1, 1, 96, 96, 8, 1, 8, 4, 4, 109, 107, 109, 1, 107, 109, 3, 107, 4, 109, 107, 0]. [2024-11-07 00:11:36,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:36,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:11:37,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:11:37,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:11:37,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:11:37,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (1/1) ... [2024-11-07 00:11:37,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:11:37,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:11:37,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 00:11:37,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 00:11:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:11:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-07 00:11:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-07 00:11:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-07 00:11:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-07 00:11:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-07 00:11:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 00:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 00:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 00:11:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 00:11:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 00:11:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-07 00:11:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-07 00:11:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-07 00:11:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-07 00:11:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-07 00:11:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-07 00:11:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-07 00:11:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 00:11:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-07 00:11:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-07 00:11:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-07 00:11:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-07 00:11:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-07 00:11:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-07 00:11:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-07 00:11:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-07 00:11:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-07 00:11:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 00:11:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:11:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-07 00:11:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-07 00:11:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-07 00:11:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-07 00:11:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-07 00:11:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-07 00:11:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-07 00:11:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-07 00:11:39,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:11:39,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:12:07,041 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-07 00:12:07,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:12:07,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:12:07,182 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 00:12:07,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:12:07 BoogieIcfgContainer [2024-11-07 00:12:07,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:12:07,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:12:07,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:12:07,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:12:07,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:11:31" (1/3) ... [2024-11-07 00:12:07,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ad314c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:12:07, skipping insertion in model container [2024-11-07 00:12:07,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:11:33" (2/3) ... [2024-11-07 00:12:07,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ad314c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:12:07, skipping insertion in model container [2024-11-07 00:12:07,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:12:07" (3/3) ... [2024-11-07 00:12:07,193 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2024-11-07 00:12:07,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:12:07,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 00:12:07,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:12:07,503 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@502ab65c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:12:07,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 00:12:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 12637 states, 8206 states have (on average 1.309895198635145) internal successors, (10749), 8320 states have internal predecessors, (10749), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4405 states have call predecessors, (4408), 4408 states have call successors, (4408) [2024-11-07 00:12:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2024-11-07 00:12:07,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:12:07,972 INFO L215 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 00:12:07,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:12:07,981 INFO L85 PathProgramCache]: Analyzing trace with hash 86084647, now seen corresponding path program 1 times [2024-11-07 00:12:07,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:12:07,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600666062] [2024-11-07 00:12:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:12:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:12:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat