./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:59,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:59,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:52:59,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:59,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:59,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:59,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:59,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:59,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:59,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:59,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:59,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:59,682 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:59,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:59,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:59,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:59,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:59,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:59,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:59,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:59,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:59,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:59,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:59,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:59,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:59,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:59,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:59,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:59,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:59,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:59,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:59,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:59,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:59,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:59,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:59,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:59,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:59,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:59,705 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:59,706 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_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2023-11-06 22:53:00,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:00,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:00,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:00,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:00,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:00,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:03,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:03,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:03,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:03,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/67944cf04/d521b3bce41f4a19bde76c7fa2c898af/FLAGccf178061 [2023-11-06 22:53:03,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/67944cf04/d521b3bce41f4a19bde76c7fa2c898af [2023-11-06 22:53:03,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:03,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:03,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:03,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:03,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:03,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343c392e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03, skipping insertion in model container [2023-11-06 22:53:03,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:03,752 WARN L240 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_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2023-11-06 22:53:03,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:03,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:03,809 WARN L240 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_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2023-11-06 22:53:03,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:03,839 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:03,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03 WrapperNode [2023-11-06 22:53:03,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:03,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:03,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:03,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:03,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,890 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2023-11-06 22:53:03,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:03,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:03,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:03,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:03,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:03,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:03,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:03,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:03,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (1/1) ... [2023-11-06 22:53:03,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:03,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:03,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:03,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:53:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:53:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:04,072 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:04,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:04,303 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:04,310 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:04,310 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:53:04,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04 BoogieIcfgContainer [2023-11-06 22:53:04,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:04,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:04,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:04,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:04,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:03" (1/3) ... [2023-11-06 22:53:04,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646b1da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:04, skipping insertion in model container [2023-11-06 22:53:04,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:03" (2/3) ... [2023-11-06 22:53:04,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646b1da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:04, skipping insertion in model container [2023-11-06 22:53:04,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04" (3/3) ... [2023-11-06 22:53:04,323 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:04,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:04,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:04,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:04,411 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ff21ad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:04,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:53:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:53:04,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:04,456 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:04,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:04,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:04,466 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2023-11-06 22:53:04,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375571475] [2023-11-06 22:53:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:04,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:04,739 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:53:04,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757537468] [2023-11-06 22:53:04,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:53:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:04,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:53:04,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:53:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:04,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:53:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:05,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:53:05,118 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:53:05,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:05,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:05,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:53:05,331 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 22:53:05,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:05,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:05 BoogieIcfgContainer [2023-11-06 22:53:05,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:05,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:05,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:05,404 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:05,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:04" (3/4) ... [2023-11-06 22:53:05,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:53:05,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:05,410 INFO L158 Benchmark]: Toolchain (without parser) took 1876.51ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 80.3MB in the beginning and 103.2MB in the end (delta: -22.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-06 22:53:05,411 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:05,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.51ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 68.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:53:05,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.06ms. Allocated memory is still 121.6MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:05,413 INFO L158 Benchmark]: Boogie Preprocessor took 27.03ms. Allocated memory is still 121.6MB. Free memory was 66.6MB in the beginning and 65.6MB in the end (delta: 991.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:05,414 INFO L158 Benchmark]: RCFGBuilder took 393.96ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 53.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:05,414 INFO L158 Benchmark]: TraceAbstraction took 1087.54ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 52.7MB in the beginning and 103.8MB in the end (delta: -51.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:05,415 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 103.2MB in the end (delta: 528.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:05,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.51ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 68.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.06ms. Allocated memory is still 121.6MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.03ms. Allocated memory is still 121.6MB. Free memory was 66.6MB in the beginning and 65.6MB in the end (delta: 991.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.96ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 53.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1087.54ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 52.7MB in the beginning and 103.8MB in the end (delta: -51.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 103.2MB in the end (delta: 528.3kB). 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 someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.375; [L23] double var_1_2 = 16.5; [L24] unsigned short int var_1_3 = 64; [L25] unsigned long int var_1_4 = 128; [L26] unsigned long int var_1_5 = 256; [L27] unsigned short int var_1_6 = 32; [L28] unsigned short int var_1_7 = 16; [L29] double var_1_8 = 1.5; [L30] float var_1_9 = 2.25; VAL [isInitial=0, var_1_1=3/8, var_1_2=33/2, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L45] var_1_4 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L46] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L48] var_1_5 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L49] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L52] var_1_6 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L55] var_1_7 = __VERIFIER_nondet_ushort() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L57] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L57] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L70] RET updateVariables() [L71] CALL step() [L34] var_1_1 = var_1_2 [L35] var_1_8 = var_1_2 [L36] var_1_9 = var_1_2 [L37] unsigned char stepLocal_0 = var_1_9 < var_1_2; VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=64, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=2, var_1_9=2] [L38] COND TRUE (32u < (var_1_4 / var_1_5)) && stepLocal_0 [L39] var_1_3 = (var_1_6 + var_1_7) VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=32767, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=2, var_1_9=2] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((var_1_1 == ((double) var_1_2)) && (((32u < (var_1_4 / var_1_5)) && (var_1_9 < var_1_2)) ? (var_1_3 == ((unsigned short int) (var_1_6 + var_1_7))) : 1)) && (var_1_8 == ((double) var_1_2))) && (var_1_9 == ((float) var_1_2)) ; VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=32767, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=2, var_1_9=2] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=32767, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=32767, var_1_4=4294967295, var_1_5=1, var_1_6=32767, var_1_7=0, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-06 22:53:05,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:08,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:08,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:53:08,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:08,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:08,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:08,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:08,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:08,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:08,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:08,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:08,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:08,479 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:08,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:08,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:08,483 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:08,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:08,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:08,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:08,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:08,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:08,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:53:08,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:53:08,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:53:08,489 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:08,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:08,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:08,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:08,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:08,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:08,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:08,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:08,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:08,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:08,495 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:53:08,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:53:08,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:08,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:08,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:08,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:08,498 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:53:08,499 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:08,499 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_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2023-11-06 22:53:08,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:09,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:09,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:09,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:09,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:09,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:12,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:12,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:12,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:12,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/41bcc18bf/50a4ad6ebf754f4e9d48bcb1644946c2/FLAG8a039f868 [2023-11-06 22:53:12,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/data/41bcc18bf/50a4ad6ebf754f4e9d48bcb1644946c2 [2023-11-06 22:53:12,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:12,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:12,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:12,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:12,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:12,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:12,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a8c545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12, skipping insertion in model container [2023-11-06 22:53:12,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:12,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:12,881 WARN L240 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_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2023-11-06 22:53:12,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:12,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:12,948 WARN L240 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_b6e6692a-2a94-4246-8082-d5152a590a28/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2023-11-06 22:53:12,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:12,993 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:12,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12 WrapperNode [2023-11-06 22:53:12,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:12,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:12,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:12,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:13,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,078 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2023-11-06 22:53:13,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:13,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:13,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:13,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:13,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:13,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:13,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:13,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:13,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (1/1) ... [2023-11-06 22:53:13,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:13,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:13,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:53:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:53:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:53:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:13,383 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:13,386 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:14,768 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:14,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:14,777 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:53:14,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:14 BoogieIcfgContainer [2023-11-06 22:53:14,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:14,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:14,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:14,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:14,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:12" (1/3) ... [2023-11-06 22:53:14,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a28d826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:14, skipping insertion in model container [2023-11-06 22:53:14,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:12" (2/3) ... [2023-11-06 22:53:14,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a28d826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:14, skipping insertion in model container [2023-11-06 22:53:14,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:14" (3/3) ... [2023-11-06 22:53:14,793 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2023-11-06 22:53:14,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:14,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:14,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:14,901 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c954821, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:14,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:53:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:53:14,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:14,922 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:14,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:14,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:14,933 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2023-11-06 22:53:14,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:14,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978220098] [2023-11-06 22:53:14,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:14,951 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 [2023-11-06 22:53:14,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:14,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:53:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:53:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:15,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:53:15,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-06 22:53:53,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:54:08,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:08,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978220098] [2023-11-06 22:54:08,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978220098] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:08,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:54:08,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2023-11-06 22:54:08,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005034387] [2023-11-06 22:54:08,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:08,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:08,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:54:08,994 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:54:28,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:36,838 INFO L93 Difference]: Finished difference Result 87 states and 148 transitions. [2023-11-06 22:54:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:54:36,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2023-11-06 22:54:36,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:36,862 INFO L225 Difference]: With dead ends: 87 [2023-11-06 22:54:36,862 INFO L226 Difference]: Without dead ends: 55 [2023-11-06 22:54:36,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:54:36,869 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 19 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:36,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 273 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2023-11-06 22:54:36,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-06 22:54:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 34. [2023-11-06 22:54:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:54:36,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2023-11-06 22:54:36,911 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2023-11-06 22:54:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:36,912 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2023-11-06 22:54:36,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:54:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-06 22:54:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:54:36,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:36,917 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:36,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:37,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:37,133 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:37,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:37,134 INFO L85 PathProgramCache]: Analyzing trace with hash 669546784, now seen corresponding path program 1 times [2023-11-06 22:54:37,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:37,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328360672] [2023-11-06 22:54:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:37,135 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 [2023-11-06 22:54:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:37,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:54:37,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e6692a-2a94-4246-8082-d5152a590a28/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:54:37,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-06 22:55:15,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:56:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 22:56:06,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:56:06,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328360672] [2023-11-06 22:56:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328360672] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:56:06,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:56:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-06 22:56:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759340922] [2023-11-06 22:56:06,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:56:06,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 22:56:06,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:56:06,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:56:06,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:56:06,974 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-06 22:57:01,125 WARN L293 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:57:13,407 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:57:22,680 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)