./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:54:00,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:54:01,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:54:01,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:54:01,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:54:01,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:54:01,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:54:01,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:54:01,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:54:01,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:54:01,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:54:01,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:54:01,138 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:54:01,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:54:01,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:54:01,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:54:01,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:54:01,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:54:01,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:54:01,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:54:01,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:54:01,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:54:01,167 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:54:01,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:54:01,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:54:01,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:54:01,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:54:01,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:54:01,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:01,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:54:01,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:54:01,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:54:01,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:54:01,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:54:01,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:54:01,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:54:01,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:54:01,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:54:01,178 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:54:01,178 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e [2023-11-06 21:54:01,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:54:01,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:54:01,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:54:01,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:54:01,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:54:01,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:04,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:54:05,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:54:05,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:05,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/65edb01c0/fe3deb274f7b4bde835dcc4d8af3a18e/FLAG81233c403 [2023-11-06 21:54:05,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/65edb01c0/fe3deb274f7b4bde835dcc4d8af3a18e [2023-11-06 21:54:05,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:54:05,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:54:05,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:05,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:54:05,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:54:05,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63157499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05, skipping insertion in model container [2023-11-06 21:54:05,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:54:05,477 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2023-11-06 21:54:05,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:05,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:54:05,565 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2023-11-06 21:54:05,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:05,632 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:54:05,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05 WrapperNode [2023-11-06 21:54:05,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:05,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:05,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:54:05,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:54:05,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,697 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-06 21:54:05,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:05,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:54:05,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:54:05,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:54:05,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:54:05,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:54:05,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:54:05,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:54:05,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (1/1) ... [2023-11-06 21:54:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:05,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:05,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:54:05,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:54:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:54:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:54:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:54:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:54:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:54:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:54:05,905 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:54:05,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:54:06,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:54:06,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:54:06,343 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:54:06,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:06 BoogieIcfgContainer [2023-11-06 21:54:06,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:54:06,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:54:06,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:54:06,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:54:06,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:54:05" (1/3) ... [2023-11-06 21:54:06,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48151ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:06, skipping insertion in model container [2023-11-06 21:54:06,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:05" (2/3) ... [2023-11-06 21:54:06,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48151ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:06, skipping insertion in model container [2023-11-06 21:54:06,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:06" (3/3) ... [2023-11-06 21:54:06,356 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:06,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:54:06,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:54:06,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:54:06,491 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;@22c81c4a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:54:06,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:54:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:54:06,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:06,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:06,534 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:06,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:06,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:06,541 INFO L85 PathProgramCache]: Analyzing trace with hash 442203561, now seen corresponding path program 1 times [2023-11-06 21:54:06,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:06,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215728345] [2023-11-06 21:54:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:06,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:06,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215728345] [2023-11-06 21:54:06,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:54:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92263211] [2023-11-06 21:54:06,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:06,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:06,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:06,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:54:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:07,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:54:07,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:07,086 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 21:54:07,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:07,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92263211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:07,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:07,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:54:07,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476650781] [2023-11-06 21:54:07,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:07,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:54:07,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:07,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:54:07,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:54:07,139 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:54:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:07,178 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-06 21:54:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:54:07,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-06 21:54:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:07,191 INFO L225 Difference]: With dead ends: 99 [2023-11-06 21:54:07,191 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 21:54:07,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:54:07,201 INFO L413 NwaCegarLoop]: 72 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, 72 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 [2023-11-06 21:54:07,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:54:07,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 21:54:07,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 21:54:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:54:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-06 21:54:07,272 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-06 21:54:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:07,273 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-06 21:54:07,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:54:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-06 21:54:07,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:07,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:07,283 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:07,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:07,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 21:54:07,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:07,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:07,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1663638361, now seen corresponding path program 1 times [2023-11-06 21:54:07,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024952648] [2023-11-06 21:54:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:07,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:07,645 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:54:07,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595033039] [2023-11-06 21:54:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:07,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:07,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:07,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:07,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:54:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:07,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:54:07,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 21:54:07,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:07,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024952648] [2023-11-06 21:54:07,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 21:54:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595033039] [2023-11-06 21:54:07,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595033039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:07,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:54:07,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887736812] [2023-11-06 21:54:07,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:07,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:54:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:07,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:54:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:07,959 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 21:54:08,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:08,038 INFO L93 Difference]: Finished difference Result 105 states and 153 transitions. [2023-11-06 21:54:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:54:08,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-11-06 21:54:08,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:08,046 INFO L225 Difference]: With dead ends: 105 [2023-11-06 21:54:08,046 INFO L226 Difference]: Without dead ends: 59 [2023-11-06 21:54:08,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:54:08,055 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 10 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:08,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 130 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:54:08,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-06 21:54:08,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2023-11-06 21:54:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:54:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2023-11-06 21:54:08,101 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 117 [2023-11-06 21:54:08,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:08,105 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2023-11-06 21:54:08,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 21:54:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-06 21:54:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:08,110 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:08,111 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:08,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:08,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 21:54:08,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:08,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:08,319 INFO L85 PathProgramCache]: Analyzing trace with hash 111369001, now seen corresponding path program 1 times [2023-11-06 21:54:08,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:08,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603878658] [2023-11-06 21:54:08,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:08,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:08,405 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:54:08,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1393443493] [2023-11-06 21:54:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:08,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:08,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:08,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:54:08,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:54:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:54:09,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:54:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:54:09,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:54:09,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:54:09,277 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:54:09,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:09,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:54:09,493 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:54:09,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:54:09,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:54:09 BoogieIcfgContainer [2023-11-06 21:54:09,598 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:54:09,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:54:09,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:54:09,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:54:09,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:06" (3/4) ... [2023-11-06 21:54:09,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:54:09,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:54:09,605 INFO L158 Benchmark]: Toolchain (without parser) took 4377.38ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 85.1MB in the beginning and 144.3MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:54:09,605 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:54:09,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.23ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 72.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:54:09,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.17ms. Allocated memory is still 132.1MB. Free memory was 72.9MB in the beginning and 70.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:54:09,607 INFO L158 Benchmark]: Boogie Preprocessor took 43.67ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 68.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:54:09,608 INFO L158 Benchmark]: RCFGBuilder took 602.68ms. Allocated memory is still 132.1MB. Free memory was 68.8MB in the beginning and 52.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:54:09,609 INFO L158 Benchmark]: TraceAbstraction took 3249.38ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 52.0MB in the beginning and 144.3MB in the end (delta: -92.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-06 21:54:09,609 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 184.5MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:54:09,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 132.1MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.23ms. Allocated memory is still 132.1MB. Free memory was 85.1MB in the beginning and 72.9MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.17ms. Allocated memory is still 132.1MB. Free memory was 72.9MB in the beginning and 70.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.67ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 68.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.68ms. Allocated memory is still 132.1MB. Free memory was 68.8MB in the beginning and 52.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3249.38ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 52.0MB in the beginning and 144.3MB in the end (delta: -92.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 184.5MB. Free memory is still 144.3MB. 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 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] signed short int var_1_7 = -128; [L27] unsigned short int var_1_8 = 16; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = 128; [L30] unsigned short int var_1_11 = 47512; [L31] unsigned char var_1_12 = 16; [L32] unsigned char var_1_13 = 1; [L33] float var_1_14 = 5.5; [L34] float var_1_15 = 24.5; [L35] signed short int last_1_var_1_1 = 2; [L36] unsigned short int last_1_var_1_6 = 128; VAL [isInitial=0, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] last_1_var_1_1 = var_1_1 [L95] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L65] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L66] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L66] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L67] var_1_5 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L68] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L69] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L70] var_1_7 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L71] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L73] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L73] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L74] var_1_8 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L76] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L76] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L77] var_1_9 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L80] var_1_11 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_11 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L82] RET assume_abort_if_not(var_1_11 <= 65535) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L83] var_1_12 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L84] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_12 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L85] RET assume_abort_if_not(var_1_12 <= 255) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L86] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L89] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L90] var_1_15 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L91] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] signed long int stepLocal_1 = last_1_var_1_6; [L41] signed long int stepLocal_0 = last_1_var_1_6; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L42] COND FALSE !(stepLocal_0 >= (var_1_11 - var_1_8)) [L53] var_1_10 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L55] COND FALSE !(! (var_1_10 <= last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L58] COND TRUE var_1_4 > (var_1_10 / var_1_7) [L59] var_1_6 = (var_1_8 + var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L61] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! (var_1_10 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && ((var_1_4 > (var_1_10 / var_1_7)) ? (var_1_6 == ((unsigned short int) (var_1_8 + var_1_9))) : 1)) && ((last_1_var_1_6 >= (var_1_11 - var_1_8)) ? (((var_1_7 / var_1_12) <= last_1_var_1_6) ? (var_1_10 == ((signed long int) ((last_1_var_1_6 - var_1_8) + -32))) : (var_1_13 ? (var_1_10 == ((signed long int) ((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))))) : (var_1_10 == ((signed long int) var_1_5)))) : (var_1_10 == ((signed long int) last_1_var_1_1)))) && (var_1_14 == ((float) var_1_15)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 141 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 21:54:09,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:54:12,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:54:12,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:54:12,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:54:12,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:54:13,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:54:13,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:54:13,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:54:13,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:54:13,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:54:13,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:54:13,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:54:13,023 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:54:13,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:54:13,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:54:13,026 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:54:13,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:54:13,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:54:13,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:54:13,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:54:13,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:54:13,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:54:13,030 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:54:13,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:54:13,030 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:54:13,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:54:13,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:54:13,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:54:13,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:54:13,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:54:13,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:13,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:54:13,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:54:13,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:54:13,035 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:54:13,036 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:54:13,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:54:13,036 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:54:13,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:54:13,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:54:13,038 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:54:13,038 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:54:13,039 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6785fbfa62719e2a16cb785f0dae7409fe6adec2e9b8c35426d44b08716a9a3e [2023-11-06 21:54:13,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:54:13,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:54:13,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:54:13,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:54:13,592 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:54:13,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:17,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:54:17,686 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:54:17,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:17,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/aa21a5343/6a24f0bc9323452993bc2770809592fc/FLAG43558a080 [2023-11-06 21:54:17,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/data/aa21a5343/6a24f0bc9323452993bc2770809592fc [2023-11-06 21:54:17,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:54:17,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:54:17,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:17,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:54:17,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:54:17,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:17" (1/1) ... [2023-11-06 21:54:17,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6bb164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:17, skipping insertion in model container [2023-11-06 21:54:17,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:54:17" (1/1) ... [2023-11-06 21:54:17,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:54:18,061 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2023-11-06 21:54:18,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:18,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:54:18,209 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_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-67.i[915,928] [2023-11-06 21:54:18,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:54:18,260 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:54:18,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18 WrapperNode [2023-11-06 21:54:18,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:54:18,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:18,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:54:18,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:54:18,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,319 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-06 21:54:18,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:54:18,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:54:18,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:54:18,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:54:18,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:54:18,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:54:18,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:54:18,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:54:18,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (1/1) ... [2023-11-06 21:54:18,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:54:18,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:54:18,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:54:18,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:54:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:54:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:54:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:54:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:54:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:54:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:54:18,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:54:18,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:54:19,083 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:54:19,092 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:54:19,092 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:54:19,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:19 BoogieIcfgContainer [2023-11-06 21:54:19,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:54:19,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:54:19,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:54:19,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:54:19,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:54:17" (1/3) ... [2023-11-06 21:54:19,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172d8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:19, skipping insertion in model container [2023-11-06 21:54:19,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:54:18" (2/3) ... [2023-11-06 21:54:19,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172d8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:54:19, skipping insertion in model container [2023-11-06 21:54:19,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:54:19" (3/3) ... [2023-11-06 21:54:19,107 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-67.i [2023-11-06 21:54:19,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:54:19,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:54:19,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:54:19,202 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;@c11eaf3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:54:19,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:54:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:54:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:19,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:19,254 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:19,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:19,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash 442203561, now seen corresponding path program 1 times [2023-11-06 21:54:19,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:54:19,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599307810] [2023-11-06 21:54:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:19,289 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 21:54:19,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:54:19,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:19,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:19,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:54:19,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-06 21:54:19,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:19,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:54:19,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599307810] [2023-11-06 21:54:19,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599307810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:19,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:19,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:54:19,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967554462] [2023-11-06 21:54:19,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:19,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:54:19,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:54:19,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:54:19,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:54:19,793 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:54:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:19,828 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-06 21:54:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:54:19,831 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-06 21:54:19,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:19,840 INFO L225 Difference]: With dead ends: 99 [2023-11-06 21:54:19,840 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 21:54:19,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:54:19,849 INFO L413 NwaCegarLoop]: 72 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, 72 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 [2023-11-06 21:54:19,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:54:19,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 21:54:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 21:54:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:54:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-06 21:54:19,914 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-06 21:54:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:19,914 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-06 21:54:19,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:54:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-06 21:54:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:19,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:19,919 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:19,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:20,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:20,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:20,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1663638361, now seen corresponding path program 1 times [2023-11-06 21:54:20,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:54:20,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845835213] [2023-11-06 21:54:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:20,123 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 21:54:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:54:20,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:20,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:20,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:54:20,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 21:54:20,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:54:20,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:54:20,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845835213] [2023-11-06 21:54:20,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845835213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:20,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:20,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:54:20,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979729213] [2023-11-06 21:54:20,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:20,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 21:54:20,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:54:20,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 21:54:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:54:20,936 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 21:54:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:21,870 INFO L93 Difference]: Finished difference Result 196 states and 289 transitions. [2023-11-06 21:54:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:54:21,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-11-06 21:54:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:21,886 INFO L225 Difference]: With dead ends: 196 [2023-11-06 21:54:21,887 INFO L226 Difference]: Without dead ends: 150 [2023-11-06 21:54:21,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:54:21,890 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 93 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:21,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 280 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 21:54:21,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-06 21:54:21,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 94. [2023-11-06 21:54:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 21:54:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 141 transitions. [2023-11-06 21:54:21,984 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 141 transitions. Word has length 117 [2023-11-06 21:54:21,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:21,987 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 141 transitions. [2023-11-06 21:54:21,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-06 21:54:21,989 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2023-11-06 21:54:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 21:54:21,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:21,998 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:54:22,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:22,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:22,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:22,213 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:22,213 INFO L85 PathProgramCache]: Analyzing trace with hash 111369001, now seen corresponding path program 1 times [2023-11-06 21:54:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:54:22,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851750362] [2023-11-06 21:54:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:22,214 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 21:54:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:54:22,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 21:54:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc705228-ec2d-4812-9b8e-4a0e6469ee0f/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 (4)] Waiting until timeout for monitored process [2023-11-06 21:54:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:22,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 21:54:22,540 INFO L285 TraceCheckSpWp]: Computing forward predicates...