./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:14,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:14,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:00:14,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:14,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:14,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:14,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:14,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:14,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:14,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:14,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:14,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:14,584 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:14,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:14,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:14,588 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:14,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:14,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:14,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:14,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:14,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:14,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:14,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:14,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:14,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:14,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:14,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:14,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:14,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:14,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:14,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:14,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:14,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:14,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:14,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:14,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:14,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:14,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:14,606 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:14,607 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2023-11-19 08:00:14,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:14,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:14,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:14,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:14,995 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:14,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:18,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:18,536 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:18,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:18,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/447dccd07/4a6e3056540f422a91739287f9748c8b/FLAG92e07037b [2023-11-19 08:00:18,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/447dccd07/4a6e3056540f422a91739287f9748c8b [2023-11-19 08:00:18,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:18,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:18,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:18,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:18,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:18,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:18,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50133e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18, skipping insertion in model container [2023-11-19 08:00:18,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:18,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:18,805 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-19 08:00:18,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:18,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:18,897 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-19 08:00:18,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:18,960 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:18,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18 WrapperNode [2023-11-19 08:00:18,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:18,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:18,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:18,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:18,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:18,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,027 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-19 08:00:19,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:19,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:19,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:19,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:19,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:19,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:19,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:19,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:19,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (1/1) ... [2023-11-19 08:00:19,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:19,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:19,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:19,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:19,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:19,290 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:19,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:19,666 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:19,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:19,682 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:19,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:19 BoogieIcfgContainer [2023-11-19 08:00:19,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:19,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:19,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:19,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:19,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:18" (1/3) ... [2023-11-19 08:00:19,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54983f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:19, skipping insertion in model container [2023-11-19 08:00:19,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:18" (2/3) ... [2023-11-19 08:00:19,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54983f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:19, skipping insertion in model container [2023-11-19 08:00:19,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:19" (3/3) ... [2023-11-19 08:00:19,703 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:19,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:19,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:19,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:19,777 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@493a4b7d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:19,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2023-11-19 08:00:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 08:00:19,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:19,797 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, 1, 1, 1] [2023-11-19 08:00:19,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:19,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:19,804 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2023-11-19 08:00:19,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:19,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224669682] [2023-11-19 08:00:19,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:20,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224669682] [2023-11-19 08:00:20,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:00:20,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084064487] [2023-11-19 08:00:20,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:20,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:20,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:20,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:00:20,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-19 08:00:20,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:20,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084064487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:20,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:20,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954323466] [2023-11-19 08:00:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:20,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:20,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:20,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:20,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:20,412 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2023-11-19 08:00:20,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:20,453 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2023-11-19 08:00:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 120 [2023-11-19 08:00:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:20,485 INFO L225 Difference]: With dead ends: 105 [2023-11-19 08:00:20,485 INFO L226 Difference]: Without dead ends: 52 [2023-11-19 08:00:20,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:20,502 INFO L413 NwaCegarLoop]: 75 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, 75 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 [2023-11-19 08:00:20,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:20,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-19 08:00:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-19 08:00:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2023-11-19 08:00:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2023-11-19 08:00:20,579 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2023-11-19 08:00:20,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:20,579 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2023-11-19 08:00:20,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2023-11-19 08:00:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2023-11-19 08:00:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 08:00:20,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:20,584 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, 1, 1, 1] [2023-11-19 08:00:20,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:20,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:00:20,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:20,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:20,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2023-11-19 08:00:20,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363241714] [2023-11-19 08:00:20,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:20,932 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:20,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972483867] [2023-11-19 08:00:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:20,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:20,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:20,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:21,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:00:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:00:21,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:00:21,285 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:00:21,287 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:00:21,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:21,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 08:00:21,513 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:00:21,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:00:21,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:21 BoogieIcfgContainer [2023-11-19 08:00:21,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:00:21,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:00:21,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:00:21,642 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:00:21,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:19" (3/4) ... [2023-11-19 08:00:21,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:00:21,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:00:21,652 INFO L158 Benchmark]: Toolchain (without parser) took 3074.94ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 85.6MB in the end (delta: 32.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-19 08:00:21,658 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 54.3MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:21,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.37ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 105.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:21,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.43ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:21,661 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 101.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:21,661 INFO L158 Benchmark]: RCFGBuilder took 631.88ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 86.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:21,662 INFO L158 Benchmark]: TraceAbstraction took 1946.54ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 85.6MB in the end (delta: -102.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:21,665 INFO L158 Benchmark]: Witness Printer took 9.60ms. Allocated memory is still 148.9MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:21,670 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory was 54.4MB in the beginning and 54.3MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.37ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 105.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.43ms. Allocated memory is still 148.9MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.67ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 101.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.88ms. Allocated memory is still 148.9MB. Free memory was 101.5MB in the beginning and 86.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1946.54ms. Allocated memory is still 148.9MB. Free memory was 85.5MB in the beginning and 85.6MB in the end (delta: -102.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.60ms. Allocated memory is still 148.9MB. Free memory is still 85.6MB. 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 100, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 2000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 999999999.5; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.25; [L29] float var_1_9 = 4.8; [L30] float var_1_10 = 0.4; [L31] signed long int var_1_11 = 0; [L32] signed long int var_1_12 = 256; [L33] signed long int var_1_13 = 25; [L34] signed long int var_1_14 = -5; [L35] signed short int var_1_15 = 2; [L36] signed long int var_1_16 = -50; VAL [isInitial=0, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=16, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L69] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L70] var_1_5 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L71] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L72] var_1_6 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L73] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L75] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L78] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L80] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L82] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L83] var_1_12 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L85] CALL assume_abort_if_not(var_1_12 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L85] RET assume_abort_if_not(var_1_12 <= 2147483646) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L86] var_1_13 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L88] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L88] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L90] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L91] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L91] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L92] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L92] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L94] RET assume_abort_if_not(var_1_16 >= -1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L95] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L95] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L42] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L48] COND TRUE (var_1_5 + var_1_6) == var_1_1 [L49] var_1_11 = (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13) VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L53] signed long int stepLocal_1 = var_1_12 % var_1_15; VAL [isInitial=1, stepLocal_0=8, stepLocal_1=0, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L54] COND TRUE var_1_9 == var_1_4 [L55] var_1_14 = var_1_13 VAL [isInitial=1, stepLocal_0=8, stepLocal_1=0, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_7 ? (var_1_1 == ((float) (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) + var_1_10))) : 1)) && (((var_1_5 + var_1_6) == var_1_1) ? (var_1_11 == ((signed long int) (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13))) : (var_1_11 == ((signed long int) var_1_13)))) && ((var_1_9 == var_1_4) ? (var_1_14 == ((signed long int) var_1_13)) : (((var_1_12 % var_1_15) != var_1_13) ? (var_1_14 == ((signed long int) ((((((var_1_15 + var_1_2) + var_1_16)) > (var_1_13)) ? (((var_1_15 + var_1_2) + var_1_16)) : (var_1_13))))) : (var_1_14 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 [2023-11-19 08:00:21,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:24,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:24,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:00:24,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:24,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:24,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:24,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:24,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:24,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:24,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:24,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:24,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:24,748 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:24,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:24,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:24,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:24,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:24,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:24,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:24,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:24,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:24,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:00:24,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:00:24,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:00:24,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:24,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:24,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:24,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:24,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:24,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:24,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:24,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:24,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:24,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:24,759 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:00:24,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:00:24,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:24,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:24,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:24,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:24,762 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:00:24,762 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:24,762 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2023-11-19 08:00:25,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:25,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:25,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:25,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:25,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:25,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:28,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:28,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:28,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:28,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/f3aa88afc/24a31bd5907543b6888d3aa5124b5a00/FLAGed943abe3 [2023-11-19 08:00:28,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/data/f3aa88afc/24a31bd5907543b6888d3aa5124b5a00 [2023-11-19 08:00:28,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:28,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:28,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:28,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:28,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:28,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:28" (1/1) ... [2023-11-19 08:00:28,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408d2b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:28, skipping insertion in model container [2023-11-19 08:00:28,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:28" (1/1) ... [2023-11-19 08:00:28,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:28,929 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-19 08:00:29,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:29,066 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:29,082 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_ba2c7e9d-d221-4280-9515-1aeeb6eea431/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-19 08:00:29,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:29,157 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:29,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29 WrapperNode [2023-11-19 08:00:29,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:29,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:29,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:29,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:29,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,245 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-19 08:00:29,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:29,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:29,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:29,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:29,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:29,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:29,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:29,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:29,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (1/1) ... [2023-11-19 08:00:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:29,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:29,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:29,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:29,547 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:29,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:30,870 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:30,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:30,887 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:30,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:30 BoogieIcfgContainer [2023-11-19 08:00:30,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:30,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:30,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:30,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:30,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:28" (1/3) ... [2023-11-19 08:00:30,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb4d4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:30, skipping insertion in model container [2023-11-19 08:00:30,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:29" (2/3) ... [2023-11-19 08:00:30,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb4d4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:30, skipping insertion in model container [2023-11-19 08:00:30,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:30" (3/3) ... [2023-11-19 08:00:30,906 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-19 08:00:30,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:30,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:00:30,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:30,990 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15de618, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:30,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:00:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2023-11-19 08:00:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 08:00:31,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:31,013 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, 1, 1, 1] [2023-11-19 08:00:31,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:31,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:31,030 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2023-11-19 08:00:31,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:31,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835238554] [2023-11-19 08:00:31,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:31,055 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 [2023-11-19 08:00:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:31,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:00:31,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:00:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:00:31,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 08:00:31,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:31,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:00:31,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835238554] [2023-11-19 08:00:31,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835238554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:31,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:31,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:31,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062216115] [2023-11-19 08:00:31,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:31,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:00:31,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:31,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:31,714 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-11-19 08:00:31,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:31,745 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2023-11-19 08:00:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:31,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 120 [2023-11-19 08:00:31,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:31,756 INFO L225 Difference]: With dead ends: 105 [2023-11-19 08:00:31,756 INFO L226 Difference]: Without dead ends: 52 [2023-11-19 08:00:31,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:31,764 INFO L413 NwaCegarLoop]: 75 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, 75 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 [2023-11-19 08:00:31,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:31,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-19 08:00:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-19 08:00:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2023-11-19 08:00:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2023-11-19 08:00:31,823 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2023-11-19 08:00:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:31,824 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2023-11-19 08:00:31,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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) [2023-11-19 08:00:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2023-11-19 08:00:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 08:00:31,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:31,832 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, 1, 1, 1] [2023-11-19 08:00:31,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 08:00:32,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:00:32,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:00:32,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:32,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2023-11-19 08:00:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:00:32,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171190281] [2023-11-19 08:00:32,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:32,046 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 [2023-11-19 08:00:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:00:32,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:00:32,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2c7e9d-d221-4280-9515-1aeeb6eea431/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:00:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:32,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 08:00:32,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:02,896 WARN L293 SmtUtils]: Spent 9.60s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)