./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX --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 8439b3a99a90c492a6e0d709e55259e0aa26f505dee855ac51dc17a80a34a78d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:43:26,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:43:26,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:43:26,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:43:26,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:43:26,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:43:26,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:43:26,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:43:26,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:43:26,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:43:26,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:43:26,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:43:26,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:43:26,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:43:26,413 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:43:26,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:43:26,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:43:26,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:43:26,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:43:26,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:43:26,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:43:26,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:43:26,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:43:26,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:43:26,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:43:26,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:43:26,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:43:26,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:43:26,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:43:26,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:43:26,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:43:26,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:43:26,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:43:26,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:43:26,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:43:26,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:43:26,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:43:26,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:43:26,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:43:26,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:43:26,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:43:26,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:43:26,435 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8439b3a99a90c492a6e0d709e55259e0aa26f505dee855ac51dc17a80a34a78d [2024-11-08 17:43:26,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:43:26,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:43:26,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:43:26,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:43:26,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:43:26,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-08 17:43:29,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:43:29,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:43:29,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i [2024-11-08 17:43:29,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/data/ad1e6687d/d5783f40e6744ac29f5f9cd66550a297/FLAG52f116827 [2024-11-08 17:43:29,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/data/ad1e6687d/d5783f40e6744ac29f5f9cd66550a297 [2024-11-08 17:43:29,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:43:29,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:43:29,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:43:29,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:43:29,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:43:29,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:43:29" (1/1) ... [2024-11-08 17:43:29,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e30ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:29, skipping insertion in model container [2024-11-08 17:43:29,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:43:29" (1/1) ... [2024-11-08 17:43:29,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:43:30,994 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_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i[63635,63648] [2024-11-08 17:43:31,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:43:31,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:43:31,440 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_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/sv-benchmarks/c/neural-networks/vdp_6_unsafe.c-amalgamation.i[63635,63648] [2024-11-08 17:43:31,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:43:31,881 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:43:31,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31 WrapperNode [2024-11-08 17:43:31,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:43:31,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:43:31,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:43:31,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:43:31,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:31,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,096 INFO L138 Inliner]: procedures = 620, calls = 1412, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1674 [2024-11-08 17:43:32,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:43:32,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:43:32,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:43:32,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:43:32,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,184 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 17:43:32,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:43:32,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:43:32,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:43:32,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:43:32,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (1/1) ... [2024-11-08 17:43:32,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:43:32,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:43:32,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:43:32,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e77c73a-63c8-4885-a9c1-bd4eacd5de8b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:43:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 17:43:32,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:43:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 17:43:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 17:43:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 17:43:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:43:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:43:32,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:43:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:43:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 17:43:32,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:43:32,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:45:09,711 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-08 17:45:09,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:45:09,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:45:09,732 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:45:09,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:45:09 BoogieIcfgContainer [2024-11-08 17:45:09,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:45:09,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:45:09,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:45:09,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:45:09,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:43:29" (1/3) ... [2024-11-08 17:45:09,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368ae85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:45:09, skipping insertion in model container [2024-11-08 17:45:09,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:43:31" (2/3) ... [2024-11-08 17:45:09,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368ae85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:45:09, skipping insertion in model container [2024-11-08 17:45:09,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:45:09" (3/3) ... [2024-11-08 17:45:09,748 INFO L112 eAbstractionObserver]: Analyzing ICFG vdp_6_unsafe.c-amalgamation.i [2024-11-08 17:45:09,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:45:09,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:45:09,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:45:09,852 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;@616cd334, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:45:09,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:45:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 67 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:45:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 17:45:09,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:45:09,865 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:45:09,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:45:09,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:45:09,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1251904250, now seen corresponding path program 1 times [2024-11-08 17:45:09,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:45:09,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85876053] [2024-11-08 17:45:09,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:45:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms