./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-030.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-030.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB --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 7fc91540ecb995ba4272bf638c7af92e313e4e663f69d708c8c01242483e6b99 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:49,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:49,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:21:49,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:49,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:49,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:49,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:49,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:49,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:21:49,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:21:49,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:49,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:49,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:21:49,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:49,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:49,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:49,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:49,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:49,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:49,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:49,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:49,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:49,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:21:49,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:21:49,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:49,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:49,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:49,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:49,845 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7fc91540ecb995ba4272bf638c7af92e313e4e663f69d708c8c01242483e6b99 [2024-11-27 20:21:50,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:50,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:50,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:50,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:50,189 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:50,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/xcsp/AllInterval-030.c [2024-11-27 20:21:53,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/data/f445c7c83/5dbd58667e3847f691e8d1568a9ca11e/FLAG10ef9c767 [2024-11-27 20:21:53,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:21:53,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/sv-benchmarks/c/xcsp/AllInterval-030.c [2024-11-27 20:21:53,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/data/f445c7c83/5dbd58667e3847f691e8d1568a9ca11e/FLAG10ef9c767 [2024-11-27 20:21:53,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/data/f445c7c83/5dbd58667e3847f691e8d1568a9ca11e [2024-11-27 20:21:53,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:21:53,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:21:53,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:53,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:21:53,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:21:53,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:53" (1/1) ... [2024-11-27 20:21:53,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f739213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:53, skipping insertion in model container [2024-11-27 20:21:53,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:21:53" (1/1) ... [2024-11-27 20:21:53,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:21:54,212 WARN L250 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_b3f5034e-cd9a-4f98-855a-f7e561173fd1/sv-benchmarks/c/xcsp/AllInterval-030.c[31756,31769] [2024-11-27 20:21:54,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:54,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:21:54,342 WARN L250 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_b3f5034e-cd9a-4f98-855a-f7e561173fd1/sv-benchmarks/c/xcsp/AllInterval-030.c[31756,31769] [2024-11-27 20:21:54,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:21:54,365 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:21:54,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54 WrapperNode [2024-11-27 20:21:54,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:21:54,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:54,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:21:54,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:21:54,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,484 INFO L138 Inliner]: procedures = 13, calls = 995, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1358 [2024-11-27 20:21:54,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:21:54,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:21:54,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:21:54,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:21:54,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,550 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:21:54,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:21:54,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:21:54,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:21:54,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:21:54,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (1/1) ... [2024-11-27 20:21:54,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:54,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:21:54,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:21:54,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3f5034e-cd9a-4f98-855a-f7e561173fd1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:21:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:21:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:21:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:21:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:21:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-27 20:21:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-27 20:21:54,836 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:21:54,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:21:56,909 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-27 20:21:56,910 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:21:56,972 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:21:56,972 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:21:56,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:56 BoogieIcfgContainer [2024-11-27 20:21:56,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:21:56,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:21:56,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:21:56,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:21:56,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:21:53" (1/3) ... [2024-11-27 20:21:56,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14aaedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:56, skipping insertion in model container [2024-11-27 20:21:56,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:21:54" (2/3) ... [2024-11-27 20:21:56,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14aaedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:21:56, skipping insertion in model container [2024-11-27 20:21:56,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:21:56" (3/3) ... [2024-11-27 20:21:56,988 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-030.c [2024-11-27 20:21:57,006 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:21:57,009 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-030.c that has 2 procedures, 1087 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-27 20:21:57,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:21:57,163 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;@2a6cd23e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:21:57,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:21:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 1087 states, 96 states have (on average 1.0208333333333333) internal successors, (98), 97 states have internal predecessors, (98), 988 states have call successors, (988), 1 states have call predecessors, (988), 1 states have return successors, (988), 988 states have call predecessors, (988), 988 states have call successors, (988) [2024-11-27 20:21:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5032 [2024-11-27 20:21:57,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:21:57,544 INFO L218 NwaCegarLoop]: trace histogram [988, 988, 988, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:21:57,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:21:57,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:21:57,552 INFO L85 PathProgramCache]: Analyzing trace with hash -369071925, now seen corresponding path program 1 times [2024-11-27 20:21:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:21:57,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105218997] [2024-11-27 20:21:57,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:21:57,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms