./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97b1061e2cabddcb3093af5cecca71c7ed1fd9a404462e73f738c3d404d688bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:33:34,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:33:34,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:33:34,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:33:34,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:33:34,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:33:34,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:33:34,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:33:34,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:33:34,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:33:34,407 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:33:34,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:33:34,408 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:33:34,409 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:33:34,409 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:33:34,409 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:33:34,410 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:33:34,410 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:33:34,411 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:33:34,412 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:33:34,412 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:33:34,413 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:33:34,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:33:34,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:33:34,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:33:34,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:33:34,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:33:34,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:33:34,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:33:34,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:33:34,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:33:34,417 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:33:34,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:33:34,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:33:34,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:33:34,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:33:34,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:33:34,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:33:34,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:33:34,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:33:34,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:33:34,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:33:34,421 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97b1061e2cabddcb3093af5cecca71c7ed1fd9a404462e73f738c3d404d688bc [2023-12-02 13:33:34,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:33:34,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:33:34,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:33:34,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:33:34,678 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:33:34,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:37,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:33:37,604 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:33:37,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:37,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/e74f1902f/00b966f6762248868a82ea1a22536263/FLAG655b2bf5a [2023-12-02 13:33:37,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/e74f1902f/00b966f6762248868a82ea1a22536263 [2023-12-02 13:33:37,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:33:37,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:33:37,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:33:37,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:33:37,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:33:37,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207dd6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37, skipping insertion in model container [2023-12-02 13:33:37,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:33:37,779 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i[917,930] [2023-12-02 13:33:37,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:33:37,835 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:33:37,846 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i[917,930] [2023-12-02 13:33:37,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:33:37,886 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:33:37,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37 WrapperNode [2023-12-02 13:33:37,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:33:37,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:33:37,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:33:37,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:33:37,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,937 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-12-02 13:33:37,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:33:37,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:33:37,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:33:37,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:33:37,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:33:37,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:33:37,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:33:37,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:33:37,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2023-12-02 13:33:37,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:33:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:33:38,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:33:38,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:33:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:33:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:33:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:33:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:33:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:33:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:33:38,106 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:33:38,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:33:38,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:33:38,472 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:33:38,473 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:33:38,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:38 BoogieIcfgContainer [2023-12-02 13:33:38,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:33:38,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:33:38,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:33:38,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:33:38,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:37" (1/3) ... [2023-12-02 13:33:38,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc1dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:38, skipping insertion in model container [2023-12-02 13:33:38,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (2/3) ... [2023-12-02 13:33:38,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc1dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:38, skipping insertion in model container [2023-12-02 13:33:38,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:38" (3/3) ... [2023-12-02 13:33:38,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:38,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:33:38,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:33:38,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:33:38,557 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=FINITE_AUTOMATA, 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;@3a435f13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:33:38,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:33:38,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 13:33:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 13:33:38,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:33:38,571 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:33:38,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:33:38,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:33:38,577 INFO L85 PathProgramCache]: Analyzing trace with hash -205292435, now seen corresponding path program 1 times [2023-12-02 13:33:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:33:38,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647966905] [2023-12-02 13:33:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:33:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:33:38,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:33:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:33:39,026 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:33:39,028 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:33:39,029 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:33:39,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:33:39,035 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:33:39,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:33:39,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:33:39 BoogieIcfgContainer [2023-12-02 13:33:39,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:33:39,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:33:39,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:33:39,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:33:39,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:38" (3/4) ... [2023-12-02 13:33:39,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:33:39,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:33:39,099 INFO L158 Benchmark]: Toolchain (without parser) took 1469.57ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 91.4MB in the end (delta: 19.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-12-02 13:33:39,100 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:33:39,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.74ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 97.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:33:39,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.63ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 94.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:33:39,102 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:33:39,102 INFO L158 Benchmark]: RCFGBuilder took 502.14ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 67.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 13:33:39,103 INFO L158 Benchmark]: TraceAbstraction took 615.31ms. Allocated memory is still 151.0MB. Free memory was 67.0MB in the beginning and 92.0MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:33:39,103 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 91.4MB in the end (delta: 567.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:33:39,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.74ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 97.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.63ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 94.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.92ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.14ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 67.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 615.31ms. Allocated memory is still 151.0MB. Free memory was 67.0MB in the beginning and 92.0MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 91.4MB in the end (delta: 567.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] double var_1_2 = 50.75; [L24] double var_1_3 = 7.675; [L25] signed char var_1_7 = 10; [L26] float var_1_8 = 32.5; [L27] float var_1_9 = 1000000.7; [L28] float var_1_10 = 2.4; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 5; [L33] unsigned char var_1_15 = 200; [L34] unsigned char var_1_16 = 10; [L35] unsigned char var_1_17 = 1; [L36] unsigned char last_1_var_1_11 = 1; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L97] last_1_var_1_11 = var_1_11 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_3=307/40, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L71] var_1_3 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=10, var_1_8=65/2, var_1_9=10000007/10] [L73] var_1_7 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=10000007/10] [L75] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=10000007/10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=10000007/10] [L76] var_1_9 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=12/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L78] var_1_10 = __VERIFIER_nondet_float() [L79] 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, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L79] 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, last_1_var_1_11=1, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L80] var_1_12 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L82] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L83] var_1_13 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L85] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=200, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L86] var_1_15 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L88] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=10, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L89] var_1_16 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L91] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_17=1, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L92] var_1_17 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L94] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_17=5, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=5, var_1_15=4, var_1_16=4, var_1_17=5, var_1_1=-16, var_1_7=-16, var_1_8=65/2] [L108] RET updateVariables() [L109] CALL step() [L40] COND FALSE !(var_1_3 >= var_1_2) [L49] COND TRUE var_1_8 <= var_1_8 [L50] var_1_11 = (var_1_12 || var_1_13) [L52] unsigned char stepLocal_0 = var_1_11; [L53] COND FALSE !((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) [L62] COND FALSE !(! var_1_11) [L65] var_1_14 = var_1_16 [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((var_1_2 - 5.25) < (var_1_8 * (var_1_8 * 199.4))) ? ((var_1_11 && var_1_11) ? ((var_1_8 < var_1_8) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : 1) : 1) && ((var_1_3 >= var_1_2) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? (var_1_8 == ((float) ((((var_1_9) > ((10.25f + var_1_10))) ? (var_1_9) : ((10.25f + var_1_10)))))) : (var_1_8 == ((float) var_1_9))) : 1) : 1)) && ((var_1_8 <= var_1_8) ? (var_1_11 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && ((! var_1_11) ? (var_1_14 == ((unsigned char) ((((((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) < (var_1_17)) ? (((((var_1_15) < (((((var_1_16) > (5)) ? (var_1_16) : (5))))) ? (var_1_15) : (((((var_1_16) > (5)) ? (var_1_16) : (5))))))) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_16))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=4, var_1_15=4, var_1_16=4, var_1_17=5, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=65/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=1, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=4, var_1_15=4, var_1_16=4, var_1_17=5, var_1_1=-16, var_1_7=-16, var_1_8=65/2, var_1_9=65/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:33:39,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97b1061e2cabddcb3093af5cecca71c7ed1fd9a404462e73f738c3d404d688bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:33:41,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:33:41,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:33:41,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:33:41,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:33:41,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:33:41,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:33:41,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:33:41,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:33:41,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:33:41,161 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:33:41,161 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:33:41,162 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:33:41,162 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:33:41,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:33:41,163 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:33:41,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:33:41,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:33:41,165 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:33:41,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:33:41,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:33:41,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:33:41,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:33:41,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:33:41,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:33:41,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:33:41,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:33:41,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:33:41,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:33:41,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:33:41,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:33:41,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:33:41,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:33:41,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:33:41,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:33:41,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:33:41,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:33:41,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:33:41,174 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:33:41,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:33:41,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:33:41,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:33:41,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:33:41,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:33:41,175 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97b1061e2cabddcb3093af5cecca71c7ed1fd9a404462e73f738c3d404d688bc [2023-12-02 13:33:41,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:33:41,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:33:41,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:33:41,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:33:41,484 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:33:41,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:44,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:33:44,486 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:33:44,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:44,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/2ddb7b972/e71d2ad8d7b147fe92e90abd5d875e6c/FLAGe230cbf01 [2023-12-02 13:33:44,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/data/2ddb7b972/e71d2ad8d7b147fe92e90abd5d875e6c [2023-12-02 13:33:44,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:33:44,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:33:44,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:33:44,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:33:44,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:33:44,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393feb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44, skipping insertion in model container [2023-12-02 13:33:44,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:33:44,670 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i[917,930] [2023-12-02 13:33:44,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:33:44,730 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:33:44,741 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_568538b3-ce8e-4a69-9bac-be33a7bb58e3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-11.i[917,930] [2023-12-02 13:33:44,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:33:44,782 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:33:44,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44 WrapperNode [2023-12-02 13:33:44,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:33:44,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:33:44,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:33:44,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:33:44,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,828 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-12-02 13:33:44,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:33:44,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:33:44,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:33:44,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:33:44,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:33:44,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:33:44,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:33:44,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:33:44,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (1/1) ... [2023-12-02 13:33:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:33:44,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:33:44,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:33:44,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:33:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:33:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:33:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:33:44,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:33:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:33:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:33:45,025 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:33:45,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:33:51,510 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:33:51,559 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:33:51,574 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:33:51,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:51 BoogieIcfgContainer [2023-12-02 13:33:51,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:33:51,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:33:51,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:33:51,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:33:51,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:44" (1/3) ... [2023-12-02 13:33:51,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f377308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:51, skipping insertion in model container [2023-12-02 13:33:51,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:44" (2/3) ... [2023-12-02 13:33:51,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f377308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:51, skipping insertion in model container [2023-12-02 13:33:51,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:51" (3/3) ... [2023-12-02 13:33:51,587 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-11.i [2023-12-02 13:33:51,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:33:51,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:33:51,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:33:51,652 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=FINITE_AUTOMATA, 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;@1431c5f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:33:51,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:33:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 13:33:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:33:51,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:33:51,668 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:33:51,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:33:51,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:33:51,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1788450943, now seen corresponding path program 1 times [2023-12-02 13:33:51,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:33:51,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727087121] [2023-12-02 13:33:51,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:51,687 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 [2023-12-02 13:33:51,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:33:51,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:33:51,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:33:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:52,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:33:52,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:33:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-12-02 13:33:52,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:33:52,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:33:52,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727087121] [2023-12-02 13:33:52,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727087121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:33:52,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:33:52,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:33:52,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581987472] [2023-12-02 13:33:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:33:52,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:33:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:33:52,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:33:52,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:33:52,333 INFO L87 Difference]: Start difference. First operand has 48 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 13:33:54,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:33:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:33:54,654 INFO L93 Difference]: Finished difference Result 93 states and 162 transitions. [2023-12-02 13:33:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:33:54,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2023-12-02 13:33:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:33:54,730 INFO L225 Difference]: With dead ends: 93 [2023-12-02 13:33:54,730 INFO L226 Difference]: Without dead ends: 46 [2023-12-02 13:33:54,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:33:54,737 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:33:54,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:33:54,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-02 13:33:54,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-02 13:33:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-02 13:33:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 68 transitions. [2023-12-02 13:33:54,778 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 68 transitions. Word has length 100 [2023-12-02 13:33:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:33:54,779 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 68 transitions. [2023-12-02 13:33:54,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 13:33:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2023-12-02 13:33:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:33:54,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:33:54,784 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:33:54,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:33:54,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:33:54,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:33:54,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:33:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1112841215, now seen corresponding path program 1 times [2023-12-02 13:33:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:33:54,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010061657] [2023-12-02 13:33:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:33:54,987 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 [2023-12-02 13:33:54,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:33:54,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:33:54,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:33:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:33:55,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:33:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:33:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-02 13:33:56,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:33:56,621 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:33:56,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010061657] [2023-12-02 13:33:56,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010061657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:33:56,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:33:56,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:33:56,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573840955] [2023-12-02 13:33:56,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:33:56,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:33:56,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:33:56,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:33:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:33:56,625 INFO L87 Difference]: Start difference. First operand 46 states and 68 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 13:33:58,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:01,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:03,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:05,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:07,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:10,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:34:12,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:34:12,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:34:12,234 INFO L93 Difference]: Finished difference Result 136 states and 202 transitions. [2023-12-02 13:34:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:34:12,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 100 [2023-12-02 13:34:12,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:34:12,237 INFO L225 Difference]: With dead ends: 136 [2023-12-02 13:34:12,237 INFO L226 Difference]: Without dead ends: 91 [2023-12-02 13:34:12,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:34:12,239 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:34:12,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 121 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 15.6s Time] [2023-12-02 13:34:12,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-02 13:34:12,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2023-12-02 13:34:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 13:34:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2023-12-02 13:34:12,264 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 100 [2023-12-02 13:34:12,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:34:12,265 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2023-12-02 13:34:12,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 13:34:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2023-12-02 13:34:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:34:12,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:34:12,268 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:34:12,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:34:12,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:34:12,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:34:12,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:34:12,470 INFO L85 PathProgramCache]: Analyzing trace with hash -662166147, now seen corresponding path program 1 times [2023-12-02 13:34:12,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:34:12,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036297919] [2023-12-02 13:34:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:34:12,471 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 [2023-12-02 13:34:12,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:34:12,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:34:12,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 13:34:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:34:13,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:34:13,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:34:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 255 proven. 21 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-02 13:34:13,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:34:13,930 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 13:34:13,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:34:13,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036297919] [2023-12-02 13:34:13,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036297919] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:34:13,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [492274313] [2023-12-02 13:34:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:34:13,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:34:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:34:13,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:34:13,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568538b3-ce8e-4a69-9bac-be33a7bb58e3/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 13:34:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:34:15,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 13:34:15,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:34:55,136 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (fp.leq c_~var_1_8~0 c_~var_1_8~0) (let ((.cse0 (= c_~var_1_12~0 (_ bv0 8))) (.cse1 (= c_~var_1_13~0 (_ bv0 8)))) (or (and .cse0 (= (_ bv0 8) c_~var_1_11~0) .cse1) (and (= (_ bv1 8) c_~var_1_11~0) (or (not .cse0) (not .cse1))))) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from false [2023-12-02 13:34:57,213 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (fp.leq c_~var_1_8~0 c_~var_1_8~0) (let ((.cse0 (= c_~var_1_12~0 (_ bv0 8))) (.cse1 (= c_~var_1_13~0 (_ bv0 8)))) (or (and .cse0 (= (_ bv0 8) c_~var_1_11~0) .cse1) (and (= (_ bv1 8) c_~var_1_11~0) (or (not .cse0) (not .cse1))))) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))))) is different from true [2023-12-02 13:37:12,567 WARN L854 $PredicateComparison]: unable to prove that (and (= c_~var_1_12~0 (_ bv0 8)) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (= (_ bv0 8) c_~var_1_11~0) (= c_~var_1_13~0 (_ bv0 8)) (fp.leq c_~var_1_8~0 c_~var_1_8~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (let ((.cse7 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse6 (= c_~var_1_14~0 ((_ extract 7 0) .cse7))) (.cse10 ((_ zero_extend 24) c_~var_1_15~0)) (.cse5 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse1 (bvslt .cse10 .cse5)) (.cse2 (let ((.cse11 (bvslt .cse10 .cse7))) (or (and .cse6 (not .cse11)) (and (= ((_ extract 7 0) .cse10) c_~var_1_14~0) .cse11))))) (or (and .cse1 .cse2) (and (not .cse1) (let ((.cse9 (bvslt .cse10 (_ bv5 32)))) (or (and (let ((.cse3 (bvsgt .cse5 (_ bv5 32)))) (or (and .cse3 (let ((.cse4 (bvslt .cse5 .cse7))) (or (and .cse4 (= c_~var_1_14~0 ((_ extract 7 0) .cse5))) (and (not .cse4) .cse6)))) (and (not .cse3) (let ((.cse8 (bvslt (_ bv5 32) .cse7))) (or (and .cse6 (not .cse8)) (and (= c_~var_1_14~0 (_ bv5 8)) .cse8)))))) (not .cse9)) (and .cse9 .cse2))))))))) is different from false [2023-12-02 13:37:14,641 WARN L876 $PredicateComparison]: unable to prove that (and (= c_~var_1_12~0 (_ bv0 8)) (not (fp.geq c_~var_1_3~0 c_~var_1_2~0)) (= (_ bv0 8) c_~var_1_11~0) (= c_~var_1_13~0 (_ bv0 8)) (fp.leq c_~var_1_8~0 c_~var_1_8~0) (not (fp.lt (fp.sub c_currentRoundingMode c_~var_1_2~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_8~0))) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (let ((.cse7 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse6 (= c_~var_1_14~0 ((_ extract 7 0) .cse7))) (.cse10 ((_ zero_extend 24) c_~var_1_15~0)) (.cse5 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse1 (bvslt .cse10 .cse5)) (.cse2 (let ((.cse11 (bvslt .cse10 .cse7))) (or (and .cse6 (not .cse11)) (and (= ((_ extract 7 0) .cse10) c_~var_1_14~0) .cse11))))) (or (and .cse1 .cse2) (and (not .cse1) (let ((.cse9 (bvslt .cse10 (_ bv5 32)))) (or (and (let ((.cse3 (bvsgt .cse5 (_ bv5 32)))) (or (and .cse3 (let ((.cse4 (bvslt .cse5 .cse7))) (or (and .cse4 (= c_~var_1_14~0 ((_ extract 7 0) .cse5))) (and (not .cse4) .cse6)))) (and (not .cse3) (let ((.cse8 (bvslt (_ bv5 32) .cse7))) (or (and .cse6 (not .cse8)) (and (= c_~var_1_14~0 (_ bv5 8)) .cse8)))))) (not .cse9)) (and .cse9 .cse2))))))))) is different from true