./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:27:37,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:27:37,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:27:37,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:27:37,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:27:37,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:27:37,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:27:37,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:27:37,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:27:37,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:27:37,416 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:27:37,416 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:27:37,417 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:27:37,417 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:27:37,418 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:27:37,418 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:27:37,419 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:27:37,419 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:27:37,420 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:27:37,420 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:27:37,421 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:27:37,421 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:27:37,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:27:37,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:27:37,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:27:37,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:27:37,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:27:37,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:27:37,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:27:37,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:27:37,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:27:37,425 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:27:37,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:27:37,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:27:37,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:27:37,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:27:37,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:27:37,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:37,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:27:37,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:27:37,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:27:37,428 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:27:37,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:27:37,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:27:37,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:27:37,429 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:27:37,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:27:37,429 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 [2023-12-02 17:27:37,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:27:37,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:27:37,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:27:37,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:27:37,675 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:27:37,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-12-02 17:27:40,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:27:40,642 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:27:40,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-12-02 17:27:40,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/5dea60853/59154bf9b4674d21becd32aabbd0833e/FLAG781520dae [2023-12-02 17:27:40,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/5dea60853/59154bf9b4674d21becd32aabbd0833e [2023-12-02 17:27:40,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:27:40,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:27:40,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:40,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:27:40,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:27:40,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:40,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc4b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40, skipping insertion in model container [2023-12-02 17:27:40,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:40,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:27:40,823 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-12-02 17:27:40,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:40,894 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:27:40,903 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-12-02 17:27:40,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:40,955 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:27:40,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40 WrapperNode [2023-12-02 17:27:40,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:40,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:40,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:27:40,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:27:40,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:40,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,010 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-12-02 17:27:41,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:41,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:27:41,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:27:41,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:27:41,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:27:41,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:27:41,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:27:41,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:27:41,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (1/1) ... [2023-12-02 17:27:41,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:27:41,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:27:41,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:27:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:27:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:27:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:27:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:27:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:27:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:27:41,196 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:27:41,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:27:41,488 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:27:41,650 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:27:41,650 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:27:41,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:41 BoogieIcfgContainer [2023-12-02 17:27:41,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:27:41,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:27:41,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:27:41,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:27:41,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:27:40" (1/3) ... [2023-12-02 17:27:41,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9bb3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:41, skipping insertion in model container [2023-12-02 17:27:41,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:40" (2/3) ... [2023-12-02 17:27:41,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9bb3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:41, skipping insertion in model container [2023-12-02 17:27:41,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:41" (3/3) ... [2023-12-02 17:27:41,689 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-36.i [2023-12-02 17:27:41,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:27:41,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:27:41,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:27:41,769 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;@7f81fb84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:27:41,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:27:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 17:27:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 17:27:41,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:27:41,784 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:41,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:27:41,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:27:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash -807832393, now seen corresponding path program 1 times [2023-12-02 17:27:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:27:41,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478425467] [2023-12-02 17:27:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:27:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:27:41,950 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:27:41,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901484501] [2023-12-02 17:27:41,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:27:41,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:27:41,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:27:41,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:27:41,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:27:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:27:42,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:27:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:27:42,303 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:27:42,305 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:27:42,306 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:27:42,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:27:42,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:27:42,513 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:27:42,517 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:27:42,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:27:42 BoogieIcfgContainer [2023-12-02 17:27:42,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:27:42,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:27:42,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:27:42,607 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:27:42,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:41" (3/4) ... [2023-12-02 17:27:42,609 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:27:42,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:27:42,612 INFO L158 Benchmark]: Toolchain (without parser) took 1944.08ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 126.3MB in the beginning and 125.6MB in the end (delta: 718.4kB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,612 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:27:42,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.94ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 112.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.54ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 108.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,614 INFO L158 Benchmark]: Boogie Preprocessor took 38.00ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,615 INFO L158 Benchmark]: RCFGBuilder took 601.93ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 69.4MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,615 INFO L158 Benchmark]: TraceAbstraction took 923.01ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 127.2MB in the beginning and 126.7MB in the end (delta: 485.4kB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,616 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 125.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:27:42,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.94ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 112.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.54ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 108.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.00ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.93ms. Allocated memory is still 159.4MB. Free memory was 106.7MB in the beginning and 69.4MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 923.01ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 127.2MB in the beginning and 126.7MB in the end (delta: 485.4kB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 125.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 51, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.75; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 9.6; [L25] double var_1_4 = 7.625; [L26] double var_1_5 = 1.5; [L27] double var_1_6 = 63.17; [L28] double var_1_7 = 15.5; [L29] unsigned short int var_1_8 = 4; [L30] unsigned short int var_1_9 = 45624; [L31] unsigned short int var_1_10 = 39447; [L32] unsigned short int var_1_11 = 10; [L33] double var_1_12 = 255.5; [L34] double var_1_13 = 0.0; [L35] double var_1_14 = 127.5; [L36] float var_1_15 = 8.2; [L37] float var_1_16 = 2.8; [L38] signed short int var_1_17 = 8; [L39] double var_1_18 = 24.8; [L40] signed short int var_1_19 = -256; [L41] signed short int var_1_20 = 8; [L42] signed short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 2; [L44] signed long int var_1_23 = -100; [L45] unsigned short int var_1_24 = 16; [L46] unsigned char var_1_25 = 0; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] var_1_3 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L98] var_1_6 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L100] var_1_7 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=45624] [L102] var_1_9 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L104] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L105] var_1_10 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L107] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=65534, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L108] var_1_11 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L110] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L115] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L116] var_1_19 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_19 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_19 >= -32767) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L118] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L121] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= -32766) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L124] CALL assume_abort_if_not(var_1_21 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 32766) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L125] var_1_23 = __VERIFIER_nondet_long() [L126] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L127] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=0, var_1_2=1, var_1_8=4, var_1_9=65533] [L128] var_1_25 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_2=1, var_1_8=4, var_1_9=65533] [L130] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=511/2, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_19=-32767, var_1_1=35/4, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=1, var_1_2=1, var_1_8=4, var_1_9=65533] [L143] RET updateVariables() [L144] CALL step() [L50] COND TRUE \read(var_1_2) [L51] var_1_1 = (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))) [L53] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) [L54] COND TRUE \read(var_1_2) [L55] var_1_12 = (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))) [L57] var_1_14 = var_1_6 [L58] COND TRUE var_1_13 >= var_1_14 [L59] COND TRUE \read(var_1_2) [L60] COND FALSE !(var_1_8 == var_1_11) [L65] COND TRUE var_1_3 <= var_1_4 [L66] var_1_16 = ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))) [L68] COND TRUE var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18)))) [L69] COND FALSE !((var_1_10 + var_1_9) <= var_1_11) [L74] var_1_17 = (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L79] COND FALSE !((var_1_11 + var_1_20) <= ((var_1_21 * var_1_23) * var_1_19)) [L82] COND FALSE !(var_1_9 < var_1_11) [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((((var_1_2 ? (var_1_1 == ((double) (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))))) : 1) && (var_1_8 == ((unsigned short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11)))) && (var_1_2 ? (var_1_12 == ((double) (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))))) : 1)) && (var_1_14 == ((double) var_1_6))) && ((var_1_13 >= var_1_14) ? (var_1_2 ? ((var_1_8 == var_1_11) ? (var_1_15 == ((float) 10.975f)) : 1) : 1) : 1)) && ((var_1_3 <= var_1_4) ? (var_1_16 == ((float) ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) : 1)) && ((var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) ? (((var_1_10 + var_1_9) <= var_1_11) ? (var_1_2 ? (var_1_17 == ((signed short int) var_1_19)) : 1) : (var_1_17 == ((signed short int) (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))))) : (var_1_17 == ((signed short int) var_1_21)))) && (((var_1_11 + var_1_20) <= ((var_1_21 * var_1_23) * var_1_19)) ? (var_1_22 == ((unsigned short int) (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))))) : 1)) && ((var_1_9 < var_1_11) ? ((var_1_2 || var_1_25) ? (var_1_24 == ((unsigned short int) 128)) : 1) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=4, var_1_14=3, var_1_15=41/5, var_1_16=3, var_1_17=1, var_1_19=-32767, var_1_1=2, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=3, var_1_7=0, var_1_8=65533, var_1_9=65533] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=0, var_1_12=4, var_1_14=3, var_1_15=41/5, var_1_16=3, var_1_17=1, var_1_19=-32767, var_1_1=2, var_1_20=2, var_1_21=1, var_1_22=2, var_1_23=2147483647, var_1_24=16, var_1_25=1, var_1_2=1, var_1_4=0, var_1_5=0, var_1_6=3, var_1_7=0, var_1_8=65533, var_1_9=65533] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 26, 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=51occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 17:27:42,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:27:44,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:27:44,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:27:44,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:27:44,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:27:44,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:27:44,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:27:44,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:27:44,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:27:44,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:27:44,682 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:27:44,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:27:44,683 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:27:44,683 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:27:44,684 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:27:44,684 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:27:44,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:27:44,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:27:44,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:27:44,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:27:44,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:27:44,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:27:44,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:27:44,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:27:44,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:27:44,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:27:44,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:27:44,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:27:44,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:27:44,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:27:44,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:27:44,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:27:44,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:27:44,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:27:44,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:44,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:27:44,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:27:44,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:27:44,694 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:27:44,694 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:27:44,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:27:44,695 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:27:44,695 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:27:44,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:27:44,696 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 [2023-12-02 17:27:44,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:27:44,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:27:44,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:27:44,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:27:44,988 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:27:44,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-12-02 17:27:47,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:27:48,002 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:27:48,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-12-02 17:27:48,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/164e5b58c/e742eaaae542499394a00ade4be7db6c/FLAGcbfd9e637 [2023-12-02 17:27:48,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/data/164e5b58c/e742eaaae542499394a00ade4be7db6c [2023-12-02 17:27:48,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:27:48,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:27:48,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:48,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:27:48,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:27:48,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6981aed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48, skipping insertion in model container [2023-12-02 17:27:48,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:27:48,198 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-12-02 17:27:48,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:48,268 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:27:48,278 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_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-12-02 17:27:48,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:27:48,326 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:27:48,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48 WrapperNode [2023-12-02 17:27:48,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:27:48,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:48,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:27:48,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:27:48,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,374 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-12-02 17:27:48,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:27:48,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:27:48,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:27:48,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:27:48,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:27:48,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:27:48,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:27:48,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:27:48,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (1/1) ... [2023-12-02 17:27:48,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:27:48,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:27:48,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:27:48,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:27:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:27:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:27:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:27:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:27:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:27:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:27:48,613 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:27:48,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:27:55,718 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:27:55,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:27:55,761 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:27:55,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:55 BoogieIcfgContainer [2023-12-02 17:27:55,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:27:55,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:27:55,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:27:55,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:27:55,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:27:48" (1/3) ... [2023-12-02 17:27:55,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbcd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:55, skipping insertion in model container [2023-12-02 17:27:55,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:27:48" (2/3) ... [2023-12-02 17:27:55,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbcd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:27:55, skipping insertion in model container [2023-12-02 17:27:55,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:27:55" (3/3) ... [2023-12-02 17:27:55,772 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-36.i [2023-12-02 17:27:55,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:27:55,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:27:55,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:27:55,848 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;@206596d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:27:55,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:27:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 17:27:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 17:27:55,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:27:55,870 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:55,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:27:55,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:27:55,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1350973843, now seen corresponding path program 1 times [2023-12-02 17:27:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:27:55,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438863332] [2023-12-02 17:27:55,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:27:55,888 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 17:27:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:27:55,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:27:55,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:27:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:27:57,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:27:57,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:27:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-12-02 17:27:57,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:27:57,159 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:27:57,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438863332] [2023-12-02 17:27:57,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438863332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:27:57,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:27:57,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:27:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581310814] [2023-12-02 17:27:57,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:27:57,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:27:57,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:27:57,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:27:57,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:27:57,200 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 17:28:00,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:28:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:28:00,090 INFO L93 Difference]: Finished difference Result 135 states and 242 transitions. [2023-12-02 17:28:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:28:00,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2023-12-02 17:28:00,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:28:00,336 INFO L225 Difference]: With dead ends: 135 [2023-12-02 17:28:00,336 INFO L226 Difference]: Without dead ends: 67 [2023-12-02 17:28:00,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 17:28:00,343 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:28:00,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 17:28:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-02 17:28:00,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-02 17:28:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 17:28:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2023-12-02 17:28:00,397 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 160 [2023-12-02 17:28:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:28:00,397 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2023-12-02 17:28:00,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 17:28:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-12-02 17:28:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 17:28:00,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:28:00,402 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:00,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:28:00,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:28:00,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:28:00,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:28:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash -486523467, now seen corresponding path program 1 times [2023-12-02 17:28:00,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:28:00,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650064413] [2023-12-02 17:28:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:28:00,606 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 17:28:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:28:00,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:28:00,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/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 17:28:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:28:01,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 17:28:01,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:22,934 WARN L293 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 85 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:31:05,356 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:33:51,382 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-02 17:33:53,424 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 17:36:53,623 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-02 17:36:55,662 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_6~0 .cse2) (fp.leq c_~var_1_6~0 .cse3)) (and (fp.geq c_~var_1_6~0 .cse1) (fp.leq c_~var_1_6~0 .cse0))) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_13~0 .cse0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 17:39:14,722 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (fp.leq c_~var_1_3~0 .cse0) (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (fp.leq c_~var_1_6~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-02 17:39:16,755 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (fp.leq c_~var_1_3~0 .cse0) (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse1) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse0) (fp.geq c_~var_1_7~0 .cse1))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse1) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse0) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse1) (or (and (fp.leq c_~var_1_5~0 .cse0) (fp.geq c_~var_1_5~0 .cse1)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (fp.leq c_~var_1_6~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 17:42:32,910 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse18 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse18))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse18))) (and (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_6~0 c_~var_1_4~0))) (or (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_4~0)) (not .cse1)) (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0)) .cse1))) (fp.leq c_~var_1_3~0 c_~var_1_4~0) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse4) (fp.geq c_~var_1_7~0 .cse0))) (let ((.cse11 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse6 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse9 (fp.gt .cse11 c_~var_1_5~0))) (or (and (let ((.cse7 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse5 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse5) .cse6) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse5))) (not .cse7)) (and .cse7 (let ((.cse8 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse8) .cse6) (and .cse8 (= c_~var_1_5~0 c_~var_1_1~0))))))) (not .cse9)) (and (let ((.cse10 (fp.lt .cse11 c_~var_1_7~0))) (or (and .cse6 (not .cse10)) (and (= c_~var_1_1~0 .cse11) .cse10))) .cse9)))) (let ((.cse15 ((_ zero_extend 16) c_~var_1_9~0)) (.cse13 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse14 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse12 (bvslt .cse15 .cse13))) (or (and (not .cse12) (= ((_ extract 15 0) (bvadd .cse13 .cse14)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse15 .cse14)) c_~var_1_8~0) .cse12)))) (fp.geq c_~var_1_13~0 .cse0) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse4) (or (and (fp.leq c_~var_1_5~0 .cse4) (fp.geq c_~var_1_5~0 .cse0)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (fp.leq c_~var_1_6~0 .cse4) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse17 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse16 (fp.lt .cse17 c_~var_1_7~0))) (or (and .cse16 (= c_~var_1_12~0 .cse17)) (and (not .cse16) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-02 17:42:34,959 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse18 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse18))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse18))) (and (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (fp.geq c_~var_1_3~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_6~0 c_~var_1_4~0))) (or (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_4~0)) (not .cse1)) (and (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0)) .cse1))) (fp.leq c_~var_1_3~0 c_~var_1_4~0) (or (and (fp.geq c_~var_1_7~0 .cse2) (fp.leq c_~var_1_7~0 .cse3)) (and (fp.leq c_~var_1_7~0 .cse4) (fp.geq c_~var_1_7~0 .cse0))) (let ((.cse11 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse6 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse9 (fp.gt .cse11 c_~var_1_5~0))) (or (and (let ((.cse7 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse5 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse5) .cse6) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse5))) (not .cse7)) (and .cse7 (let ((.cse8 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse8) .cse6) (and .cse8 (= c_~var_1_5~0 c_~var_1_1~0))))))) (not .cse9)) (and (let ((.cse10 (fp.lt .cse11 c_~var_1_7~0))) (or (and .cse6 (not .cse10)) (and (= c_~var_1_1~0 .cse11) .cse10))) .cse9)))) (let ((.cse15 ((_ zero_extend 16) c_~var_1_9~0)) (.cse13 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse14 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse12 (bvslt .cse15 .cse13))) (or (and (not .cse12) (= ((_ extract 15 0) (bvadd .cse13 .cse14)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse15 .cse14)) c_~var_1_8~0) .cse12)))) (fp.geq c_~var_1_13~0 .cse0) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse4) (or (and (fp.leq c_~var_1_5~0 .cse4) (fp.geq c_~var_1_5~0 .cse0)) (and (fp.geq c_~var_1_5~0 .cse2) (fp.leq c_~var_1_5~0 .cse3))) (fp.leq c_~var_1_6~0 .cse4) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse17 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse16 (fp.lt .cse17 c_~var_1_7~0))) (or (and .cse16 (= c_~var_1_12~0 .cse17)) (and (not .cse16) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-02 17:42:37,351 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:42:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650064413] [2023-12-02 17:42:37,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: line 104481 column 7: push canceled [2023-12-02 17:42:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1962719752] [2023-12-02 17:42:37,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:42:37,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:42:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:42:37,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:42:37,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0221d8a9-0dd6-4d7a-92b0-e316b9e3fe0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 17:42:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:42:42,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 17:42:42,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:42:53,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4