./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.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_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/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_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/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_ec487470-3870-4ac6-8124-3602dc1c104f/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 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:54:35,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:54:35,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:54:35,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:54:35,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:54:36,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:54:36,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:54:36,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:54:36,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:54:36,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:54:36,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:54:36,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:54:36,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:54:36,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:54:36,014 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:54:36,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:54:36,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:54:36,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:54:36,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:54:36,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:54:36,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:54:36,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:54:36,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:54:36,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:54:36,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:54:36,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:54:36,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:54:36,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:54:36,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:54:36,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:54:36,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:54:36,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:54:36,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:36,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:54:36,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:54:36,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:54:36,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:54:36,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:54:36,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:54:36,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:54:36,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:54:36,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:54:36,043 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_ec487470-3870-4ac6-8124-3602dc1c104f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd [2024-11-08 17:54:36,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:54:36,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:54:36,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:54:36,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:54:36,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:54:36,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i Unable to find full path for "g++" [2024-11-08 17:54:38,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:54:38,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:54:38,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2024-11-08 17:54:38,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/65a7129b0/c61aaf0871474d1b9591a08b523b5857/FLAG6b242394b [2024-11-08 17:54:39,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/65a7129b0/c61aaf0871474d1b9591a08b523b5857 [2024-11-08 17:54:39,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:54:39,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:54:39,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:39,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:54:39,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:54:39,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10739c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39, skipping insertion in model container [2024-11-08 17:54:39,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:54:39,268 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_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2024-11-08 17:54:39,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:39,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:54:39,334 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_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2024-11-08 17:54:39,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:54:39,372 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:54:39,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39 WrapperNode [2024-11-08 17:54:39,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:54:39,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:39,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:54:39,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:54:39,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,422 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-08 17:54:39,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:54:39,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:54:39,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:54:39,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:54:39,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,461 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]. [2024-11-08 17:54:39,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:54:39,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:54:39,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:54:39,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:54:39,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (1/1) ... [2024-11-08 17:54:39,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:54:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:54:39,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:54:39,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:54:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:54:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:54:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:54:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:54:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:54:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:54:39,622 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:54:39,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:54:39,946 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:54:39,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:54:39,960 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:54:39,961 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:54:39,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:39 BoogieIcfgContainer [2024-11-08 17:54:39,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:54:39,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:54:39,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:54:39,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:54:39,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:54:39" (1/3) ... [2024-11-08 17:54:39,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9c2665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:39, skipping insertion in model container [2024-11-08 17:54:39,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:54:39" (2/3) ... [2024-11-08 17:54:39,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9c2665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:54:39, skipping insertion in model container [2024-11-08 17:54:39,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:39" (3/3) ... [2024-11-08 17:54:39,972 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-91.i [2024-11-08 17:54:39,992 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:54:39,993 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:54:40,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:54:40,070 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;@3e54651, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:54:40,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:54:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:54:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 17:54:40,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:40,088 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:40,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:40,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 398472675, now seen corresponding path program 1 times [2024-11-08 17:54:40,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:54:40,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305755042] [2024-11-08 17:54:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:40,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:54:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:54:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:54:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:54:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:54:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:54:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:54:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:54:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:54:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:54:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:54:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:54:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:54:40,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:54:40,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305755042] [2024-11-08 17:54:40,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305755042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:54:40,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:54:40,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:54:40,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567831218] [2024-11-08 17:54:40,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:40,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:54:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:54:40,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:54:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:54:40,635 INFO L87 Difference]: Start difference. First operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:54:40,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:54:40,674 INFO L93 Difference]: Finished difference Result 103 states and 167 transitions. [2024-11-08 17:54:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:54:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2024-11-08 17:54:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:54:40,686 INFO L225 Difference]: With dead ends: 103 [2024-11-08 17:54:40,687 INFO L226 Difference]: Without dead ends: 51 [2024-11-08 17:54:40,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:54:40,697 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:54:40,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:54:40,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-08 17:54:40,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-08 17:54:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:54:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-08 17:54:40,756 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 75 [2024-11-08 17:54:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:54:40,757 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-08 17:54:40,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:54:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-08 17:54:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 17:54:40,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:40,761 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:40,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:54:40,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:40,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:40,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1745111839, now seen corresponding path program 1 times [2024-11-08 17:54:40,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:54:40,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323862727] [2024-11-08 17:54:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:54:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:54:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:54:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:54:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:54:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:54:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:54:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:54:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:54:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:54:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:54:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:54:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:54:42,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:54:42,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323862727] [2024-11-08 17:54:42,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323862727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:54:42,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:54:42,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:54:42,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93704497] [2024-11-08 17:54:42,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:42,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:54:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:54:42,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:54:42,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:54:42,366 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:54:47,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:54:51,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:54:55,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:54:59,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 17:55:00,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:00,297 INFO L93 Difference]: Finished difference Result 158 states and 226 transitions. [2024-11-08 17:55:00,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:55:00,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 75 [2024-11-08 17:55:00,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:00,301 INFO L225 Difference]: With dead ends: 158 [2024-11-08 17:55:00,301 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 17:55:00,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:55:00,306 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 77 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:00,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 342 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2024-11-08 17:55:00,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 17:55:00,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 54. [2024-11-08 17:55:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:55:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-08 17:55:00,328 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 75 [2024-11-08 17:55:00,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:00,330 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-08 17:55:00,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:55:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-08 17:55:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 17:55:00,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:00,332 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:00,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:55:00,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:00,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1740508831, now seen corresponding path program 1 times [2024-11-08 17:55:00,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:55:00,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443467756] [2024-11-08 17:55:00,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:00,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:55:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:55:00,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263095584] [2024-11-08 17:55:00,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:00,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:00,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:00,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:55:00,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:55:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:55:00,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:55:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:55:00,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:55:00,700 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:55:00,702 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:55:00,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:55:00,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:55:00,912 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:55:00,980 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:55:00,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:55:00 BoogieIcfgContainer [2024-11-08 17:55:00,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:55:00,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:55:00,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:55:00,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:55:00,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:54:39" (3/4) ... [2024-11-08 17:55:00,990 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:55:00,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:55:00,993 INFO L158 Benchmark]: Toolchain (without parser) took 21950.41ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 98.2MB in the beginning and 157.8MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:55:00,993 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:55:00,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.81ms. Allocated memory is still 140.5MB. Free memory was 97.7MB in the beginning and 84.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:55:00,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.74ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 81.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:55:00,994 INFO L158 Benchmark]: Boogie Preprocessor took 56.37ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:55:00,995 INFO L158 Benchmark]: RCFGBuilder took 481.41ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 61.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:55:00,995 INFO L158 Benchmark]: TraceAbstraction took 21020.94ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 61.3MB in the beginning and 158.9MB in the end (delta: -97.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-11-08 17:55:00,996 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 199.2MB. Free memory was 158.9MB in the beginning and 157.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:55:00,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.81ms. Allocated memory is still 140.5MB. Free memory was 97.7MB in the beginning and 84.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.74ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 81.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.37ms. Allocated memory is still 140.5MB. Free memory was 81.4MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.41ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 61.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21020.94ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 61.3MB in the beginning and 158.9MB in the end (delta: -97.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 199.2MB. Free memory was 158.9MB in the beginning and 157.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; VAL [isInitial=0, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-128, var_1_9=1] [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(var_1_11)) [L49] var_1_10 = var_1_13 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L51] COND FALSE !(var_1_10 >= 50.4f) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L54] COND FALSE !(var_1_15 == (var_1_14 * var_1_15)) [L61] var_1_5 = var_1_8 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=-65533, var_1_16=-65533, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 17.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 186 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 440/440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:55:01,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/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_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/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 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:55:03,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:55:03,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:55:03,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:55:03,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:55:03,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:55:03,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:55:03,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:55:03,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:55:03,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:55:03,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:55:03,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:55:03,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:55:03,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:55:03,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:55:03,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:55:03,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:55:03,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:55:03,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:55:03,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:55:03,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:55:03,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:55:03,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:55:03,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:55:03,765 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:55:03,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:55:03,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:55:03,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:55:03,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:55:03,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:55:03,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:55:03,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:55:03,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:55:03,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:55:03,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:55:03,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:55:03,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:55:03,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:55:03,771 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:55:03,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:55:03,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:55:03,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:55:03,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:55:03,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:55:03,773 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_ec487470-3870-4ac6-8124-3602dc1c104f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81608a26f1f917dbf3cca690c4063f534b4221c490476c1a0897767c4fef85cd [2024-11-08 17:55:04,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:55:04,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:55:04,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:55:04,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:55:04,219 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:55:04,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i Unable to find full path for "g++" [2024-11-08 17:55:06,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:55:06,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:55:06,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i [2024-11-08 17:55:06,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/2b77d5415/34c16acbabc346d49b51bd99f68e6f73/FLAGa9ffa6e03 [2024-11-08 17:55:06,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/data/2b77d5415/34c16acbabc346d49b51bd99f68e6f73 [2024-11-08 17:55:06,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:55:06,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:55:06,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:55:06,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:55:06,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:55:06,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:55:06" (1/1) ... [2024-11-08 17:55:06,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae2e6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:06, skipping insertion in model container [2024-11-08 17:55:06,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:55:06" (1/1) ... [2024-11-08 17:55:06,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:55:07,148 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_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2024-11-08 17:55:07,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:55:07,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:55:07,291 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_ec487470-3870-4ac6-8124-3602dc1c104f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-91.i[915,928] [2024-11-08 17:55:07,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:55:07,389 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:55:07,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07 WrapperNode [2024-11-08 17:55:07,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:55:07,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:55:07,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:55:07,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:55:07,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,454 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-08 17:55:07,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:55:07,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:55:07,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:55:07,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:55:07,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,498 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]. [2024-11-08 17:55:07,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:55:07,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:55:07,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:55:07,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:55:07,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (1/1) ... [2024-11-08 17:55:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:55:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:55:07,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:55:07,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:55:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:55:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:55:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:55:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:55:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:55:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:55:07,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:55:07,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:55:08,152 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 17:55:08,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:55:08,171 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:55:08,171 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:55:08,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:55:08 BoogieIcfgContainer [2024-11-08 17:55:08,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:55:08,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:55:08,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:55:08,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:55:08,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:55:06" (1/3) ... [2024-11-08 17:55:08,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a966684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:55:08, skipping insertion in model container [2024-11-08 17:55:08,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:55:07" (2/3) ... [2024-11-08 17:55:08,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a966684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:55:08, skipping insertion in model container [2024-11-08 17:55:08,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:55:08" (3/3) ... [2024-11-08 17:55:08,184 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-91.i [2024-11-08 17:55:08,199 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:55:08,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:55:08,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:55:08,287 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;@79b5a54f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:55:08,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:55:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:55:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 17:55:08,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:08,307 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:08,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:08,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1877017083, now seen corresponding path program 1 times [2024-11-08 17:55:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:08,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035442032] [2024-11-08 17:55:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:55:08,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:08,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:55:08,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 17:55:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:08,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:55:08,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-08 17:55:08,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:55:08,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:08,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035442032] [2024-11-08 17:55:08,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035442032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:55:08,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:55:08,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:55:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777425830] [2024-11-08 17:55:08,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:08,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:55:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:55:08,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:55:08,680 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:55:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:08,715 INFO L93 Difference]: Finished difference Result 77 states and 127 transitions. [2024-11-08 17:55:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:55:08,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-08 17:55:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:08,728 INFO L225 Difference]: With dead ends: 77 [2024-11-08 17:55:08,729 INFO L226 Difference]: Without dead ends: 38 [2024-11-08 17:55:08,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:55:08,740 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:08,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:55:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-08 17:55:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-08 17:55:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:55:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2024-11-08 17:55:08,801 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 73 [2024-11-08 17:55:08,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:08,801 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2024-11-08 17:55:08,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:55:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-08 17:55:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 17:55:08,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:08,807 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:08,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 17:55:09,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:55:09,008 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:09,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -24501117, now seen corresponding path program 1 times [2024-11-08 17:55:09,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:09,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380023380] [2024-11-08 17:55:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:09,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:55:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:09,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:55:09,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 17:55:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:09,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 17:55:09,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:55:13,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:55:49,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:49,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380023380] [2024-11-08 17:55:49,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380023380] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:49,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:49,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-08 17:55:49,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778069078] [2024-11-08 17:55:49,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:49,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:55:49,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:49,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:55:49,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:55:49,437 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:56:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:03,350 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2024-11-08 17:56:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:56:03,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-08 17:56:03,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:03,354 INFO L225 Difference]: With dead ends: 81 [2024-11-08 17:56:03,354 INFO L226 Difference]: Without dead ends: 79 [2024-11-08 17:56:03,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:56:03,356 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 91 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:03,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 254 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:56:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-08 17:56:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2024-11-08 17:56:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.1875) internal successors, (57), 49 states have internal predecessors, (57), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:56:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2024-11-08 17:56:03,391 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 73 [2024-11-08 17:56:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:03,392 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2024-11-08 17:56:03,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:56:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2024-11-08 17:56:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 17:56:03,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:03,399 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:03,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:56:03,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:56:03,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:03,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash 32757185, now seen corresponding path program 1 times [2024-11-08 17:56:03,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:56:03,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65347641] [2024-11-08 17:56:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:03,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:56:03,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:56:03,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:56:03,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 17:56:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:03,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 17:56:03,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:56:07,812 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:56:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-08 17:56:21,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:56:21,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65347641] [2024-11-08 17:56:21,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65347641] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:56:21,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:56:21,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-08 17:56:21,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520859697] [2024-11-08 17:56:21,345 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:56:21,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 17:56:21,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:56:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 17:56:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:56:21,348 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 17:56:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:40,057 INFO L93 Difference]: Finished difference Result 227 states and 297 transitions. [2024-11-08 17:56:40,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 17:56:40,061 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 73 [2024-11-08 17:56:40,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:40,065 INFO L225 Difference]: With dead ends: 227 [2024-11-08 17:56:40,065 INFO L226 Difference]: Without dead ends: 157 [2024-11-08 17:56:40,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=392, Invalid=1090, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 17:56:40,068 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 142 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:40,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 357 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-08 17:56:40,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-08 17:56:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 51. [2024-11-08 17:56:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:56:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2024-11-08 17:56:40,090 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 73 [2024-11-08 17:56:40,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:40,090 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2024-11-08 17:56:40,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-08 17:56:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-08 17:56:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 17:56:40,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:40,093 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:40,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 17:56:40,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:56:40,294 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:40,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:40,299 INFO L85 PathProgramCache]: Analyzing trace with hash -993247891, now seen corresponding path program 1 times [2024-11-08 17:56:40,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:56:40,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411860842] [2024-11-08 17:56:40,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:40,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:56:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:56:40,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:56:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 17:56:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:40,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:56:40,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:56:43,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:57:26,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:26,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411860842] [2024-11-08 17:57:26,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411860842] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:26,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:26,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-11-08 17:57:26,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298650930] [2024-11-08 17:57:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:26,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:57:26,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:26,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:57:26,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:57:26,396 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:57:57,295 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:58:08,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:58:08,164 INFO L93 Difference]: Finished difference Result 100 states and 129 transitions. [2024-11-08 17:58:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:58:08,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-08 17:58:08,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:58:08,171 INFO L225 Difference]: With dead ends: 100 [2024-11-08 17:58:08,171 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 17:58:08,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:58:08,173 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 98 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:58:08,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 264 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2024-11-08 17:58:08,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 17:58:08,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 49. [2024-11-08 17:58:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:58:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2024-11-08 17:58:08,191 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 74 [2024-11-08 17:58:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:58:08,192 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-11-08 17:58:08,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:58:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2024-11-08 17:58:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 17:58:08,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:58:08,194 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:08,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 17:58:08,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:58:08,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:58:08,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:58:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -995094933, now seen corresponding path program 1 times [2024-11-08 17:58:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:58:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912566431] [2024-11-08 17:58:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:08,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:58:08,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:58:08,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:58:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 17:58:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:08,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:58:08,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:58:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:58:10,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:58:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:58:32,541 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:58:32,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912566431] [2024-11-08 17:58:32,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912566431] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:58:32,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:58:32,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-08 17:58:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758871853] [2024-11-08 17:58:32,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:58:32,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:58:32,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:58:32,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:58:32,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:58:32,545 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:59:02,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:59:02,141 INFO L93 Difference]: Finished difference Result 100 states and 129 transitions. [2024-11-08 17:59:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:59:02,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-08 17:59:02,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:59:02,148 INFO L225 Difference]: With dead ends: 100 [2024-11-08 17:59:02,148 INFO L226 Difference]: Without dead ends: 98 [2024-11-08 17:59:02,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:59:02,150 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 138 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:59:02,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 189 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2024-11-08 17:59:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-08 17:59:02,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 51. [2024-11-08 17:59:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 17:59:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2024-11-08 17:59:02,168 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 74 [2024-11-08 17:59:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:59:02,168 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2024-11-08 17:59:02,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 17:59:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-08 17:59:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 17:59:02,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:59:02,170 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:59:02,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:59:02,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:59:02,371 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:59:02,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:59:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash 779912429, now seen corresponding path program 1 times [2024-11-08 17:59:02,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:59:02,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629327725] [2024-11-08 17:59:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:59:02,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:59:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:59:02,375 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:59:02,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 17:59:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:59:02,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 17:59:02,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:59:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-08 17:59:13,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:59:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 17:59:30,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:59:30,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629327725] [2024-11-08 17:59:30,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629327725] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:59:30,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:59:30,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-11-08 17:59:30,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703356650] [2024-11-08 17:59:30,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:59:30,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:59:30,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:59:30,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:59:30,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:59:30,558 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 18:00:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:00:30,230 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2024-11-08 18:00:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:00:30,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-08 18:00:30,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:00:30,237 INFO L225 Difference]: With dead ends: 98 [2024-11-08 18:00:30,237 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:00:30,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-08 18:00:30,240 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 102 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:00:30,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 195 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 39.5s Time] [2024-11-08 18:00:30,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:00:30,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:00:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 18:00:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:00:30,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-08 18:00:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:00:30,242 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:00:30,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 18:00:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:00:30,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:00:30,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:00:30,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 18:00:30,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:00:30,451 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:00:30,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:00:51,879 WARN L286 SmtUtils]: Spent 15.68s on a formula simplification. DAG size of input: 214 DAG size of output: 218 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 18:01:19,828 WARN L286 SmtUtils]: Spent 22.50s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:01:43,583 WARN L286 SmtUtils]: Spent 23.75s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:02:06,563 WARN L286 SmtUtils]: Spent 22.97s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:02:30,199 WARN L286 SmtUtils]: Spent 23.63s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:02:56,184 WARN L286 SmtUtils]: Spent 25.98s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:03:18,267 WARN L286 SmtUtils]: Spent 22.08s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:03:41,951 WARN L286 SmtUtils]: Spent 23.63s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:04:07,312 WARN L286 SmtUtils]: Spent 25.36s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:04:30,955 WARN L286 SmtUtils]: Spent 23.60s on a formula simplification. DAG size of input: 188 DAG size of output: 8 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:05:13,440 WARN L286 SmtUtils]: Spent 42.43s on a formula simplification. DAG size of input: 218 DAG size of output: 56 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:05:34,682 WARN L286 SmtUtils]: Spent 21.22s on a formula simplification. DAG size of input: 190 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 18:05:34,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:05:34,707 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,708 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,709 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,710 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,715 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,721 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,722 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,723 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,724 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,724 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,725 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,726 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,731 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,731 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-08 18:05:34,731 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,731 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,731 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,733 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,737 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,738 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,738 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 18:05:34,738 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 18:05:34,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:05:34 BoogieIcfgContainer [2024-11-08 18:05:34,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:05:34,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:05:34,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:05:34,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:05:34,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:55:08" (3/4) ... [2024-11-08 18:05:34,747 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:05:34,751 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 18:05:34,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 18:05:34,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 18:05:34,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:05:34,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:05:34,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:05:34,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:05:34,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:05:34,852 INFO L158 Benchmark]: Toolchain (without parser) took 628000.61ms. Allocated memory was 69.2MB in the beginning and 721.4MB in the end (delta: 652.2MB). Free memory was 44.9MB in the beginning and 559.9MB in the end (delta: -515.1MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,852 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:05:34,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.31ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 67.0MB in the end (delta: -22.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.34ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 65.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,853 INFO L158 Benchmark]: Boogie Preprocessor took 75.09ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 62.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,854 INFO L158 Benchmark]: RCFGBuilder took 637.60ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 48.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,855 INFO L158 Benchmark]: TraceAbstraction took 626566.86ms. Allocated memory was 90.2MB in the beginning and 721.4MB in the end (delta: 631.2MB). Free memory was 47.8MB in the beginning and 565.2MB in the end (delta: -517.4MB). Peak memory consumption was 418.2MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,855 INFO L158 Benchmark]: Witness Printer took 107.71ms. Allocated memory is still 721.4MB. Free memory was 565.2MB in the beginning and 559.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:05:34,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.31ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 67.0MB in the end (delta: -22.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.34ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 65.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.09ms. Allocated memory is still 90.2MB. Free memory was 64.9MB in the beginning and 62.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.60ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 48.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 626566.86ms. Allocated memory was 90.2MB in the beginning and 721.4MB in the end (delta: 631.2MB). Free memory was 47.8MB in the beginning and 565.2MB in the end (delta: -517.4MB). Peak memory consumption was 418.2MB. Max. memory is 16.1GB. * Witness Printer took 107.71ms. Allocated memory is still 721.4MB. Free memory was 565.2MB in the beginning and 559.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 322.2s, OverallIterations: 6, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 163.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 595 SdHoareTripleChecker+Valid, 84.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 571 mSDsluCounter, 1313 SdHoareTripleChecker+Invalid, 82.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 958 mSDsCounter, 475 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1112 IncrementalHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 475 mSolverCounterUnsat, 355 mSDtfsCounter, 1112 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 850 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 130.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=2, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 208 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 155.8s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 798 ConstructedInterpolants, 3 QuantifiedInterpolants, 7830 SizeOfPredicates, 54 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 2384/2420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:05:35,072 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 18:05:35,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec487470-3870-4ac6-8124-3602dc1c104f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE