./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.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_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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_997adeb9-7882-46b0-8dd3-3767862d5556/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 fa87f48d00b8007f37644abf4bb5e21ad8dd1d68207bd51d9f20b5fb36de6e03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:30:17,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:30:17,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:30:17,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:30:17,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:30:17,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:30:17,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:30:17,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:30:17,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:30:17,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:30:17,340 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:30:17,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:30:17,341 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:30:17,342 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:30:17,342 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:30:17,343 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:30:17,343 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:30:17,344 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:30:17,344 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:30:17,345 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:30:17,345 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:30:17,346 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:30:17,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:30:17,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:30:17,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:30:17,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:30:17,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:30:17,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:30:17,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:30:17,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:30:17,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:30:17,350 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:30:17,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:30:17,351 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:30:17,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:30:17,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:30:17,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:30:17,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:17,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:30:17,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:30:17,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:30:17,353 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:30:17,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:30:17,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:30:17,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:30:17,354 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:30:17,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:30:17,355 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_997adeb9-7882-46b0-8dd3-3767862d5556/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa87f48d00b8007f37644abf4bb5e21ad8dd1d68207bd51d9f20b5fb36de6e03 [2023-12-02 12:30:17,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:30:17,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:30:17,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:30:17,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:30:17,625 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:30:17,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:20,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:30:20,656 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:30:20,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:20,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/e508b056d/7dff8d7efae9475085652dda3ba774b1/FLAG9139b9cc7 [2023-12-02 12:30:20,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/e508b056d/7dff8d7efae9475085652dda3ba774b1 [2023-12-02 12:30:20,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:30:20,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:30:20,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:20,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:30:20,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:30:20,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:20,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9ba28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20, skipping insertion in model container [2023-12-02 12:30:20,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:20,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:30:20,859 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_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i[917,930] [2023-12-02 12:30:20,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:20,926 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:30:20,937 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_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i[917,930] [2023-12-02 12:30:20,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:20,988 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:30:20,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20 WrapperNode [2023-12-02 12:30:20,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:20,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:20,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:30:20,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:30:20,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,045 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-12-02 12:30:21,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:21,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:30:21,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:30:21,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:30:21,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:30:21,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:30:21,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:30:21,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:30:21,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (1/1) ... [2023-12-02 12:30:21,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:21,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:21,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:30:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:30:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:30:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:30:21,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:30:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:30:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:30:21,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:30:21,271 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:30:21,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:30:21,608 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:21,868 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:21,868 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:30:21,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:21 BoogieIcfgContainer [2023-12-02 12:30:21,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:21,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:21,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:21,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:21,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:20" (1/3) ... [2023-12-02 12:30:21,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7320d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:21, skipping insertion in model container [2023-12-02 12:30:21,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:20" (2/3) ... [2023-12-02 12:30:21,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7320d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:21, skipping insertion in model container [2023-12-02 12:30:21,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:21" (3/3) ... [2023-12-02 12:30:21,880 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:21,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:21,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:21,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:21,953 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;@44ed6345, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:21,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 12:30:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 12:30:21,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:21,969 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:21,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:21,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1069684750, now seen corresponding path program 1 times [2023-12-02 12:30:21,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:21,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462325264] [2023-12-02 12:30:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:21,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:22,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:30:22,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347314609] [2023-12-02 12:30:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:22,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:22,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:22,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:30:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:30:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:30:22,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:30:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:30:22,623 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:30:22,626 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:30:22,627 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:30:22,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:30:22,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:30:22,834 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:30:22,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:30:22,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:30:22 BoogieIcfgContainer [2023-12-02 12:30:22,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:30:22,924 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:30:22,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:30:22,924 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:30:22,925 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:21" (3/4) ... [2023-12-02 12:30:22,926 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:30:22,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:30:22,929 INFO L158 Benchmark]: Toolchain (without parser) took 2239.41ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 105.4MB in the beginning and 118.7MB in the end (delta: -13.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,929 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 109.3MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:30:22,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.34ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 91.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.58ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,931 INFO L158 Benchmark]: Boogie Preprocessor took 41.34ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,932 INFO L158 Benchmark]: RCFGBuilder took 781.28ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 87.1MB in the beginning and 166.9MB in the end (delta: -79.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,933 INFO L158 Benchmark]: TraceAbstraction took 1050.02ms. Allocated memory is still 203.4MB. Free memory was 165.9MB in the beginning and 118.7MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 12:30:22,933 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 203.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:30:22,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 109.3MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.34ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 91.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.58ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 89.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.34ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.28ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 87.1MB in the beginning and 166.9MB in the end (delta: -79.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1050.02ms. Allocated memory is still 203.4MB. Free memory was 165.9MB in the beginning and 118.7MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 203.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of bitwiseOr at line 78, overapproximation of someBinaryArithmeticDOUBLEoperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_2 = 1; [L24] signed long int var_1_3 = -25; [L25] signed long int var_1_4 = -128; [L26] signed long int var_1_5 = 8; [L27] double var_1_6 = 2.75; [L28] double var_1_7 = 24.5; [L29] double var_1_8 = 199.5; [L30] float var_1_9 = 32.8; [L31] unsigned char var_1_10 = 1; [L32] float var_1_11 = 15.4; [L33] float var_1_12 = 0.0; [L34] unsigned long int var_1_13 = 2; [L35] unsigned long int var_1_14 = 8; [L36] unsigned long int var_1_15 = 1; [L37] float var_1_16 = 127.6; [L38] signed long int var_1_17 = 128; [L39] signed long int var_1_18 = 5; [L40] unsigned char var_1_19 = 10; [L41] unsigned char var_1_20 = 0; [L42] unsigned char var_1_21 = 64; [L43] double var_1_22 = 15.95; [L44] unsigned long int var_1_23 = 4127848294; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] FCALL updateLastVariables() [L141] CALL updateVariables() [L84] var_1_2 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=-25, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_3 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L90] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=-128, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L91] var_1_4 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L94] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=8, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L95] var_1_5 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L97] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L98] var_1_6 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L100] var_1_7 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_8=399/2, var_1_9=164/5] [L102] var_1_8 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L104] var_1_10 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L106] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L109] var_1_12 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=8, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L111] var_1_14 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L113] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L114] var_1_15 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L116] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=5, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L117] var_1_18 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_18 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 >= -2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L119] CALL assume_abort_if_not(var_1_18 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_18 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L120] var_1_20 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L122] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L123] var_1_21 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L125] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L126] var_1_23 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L128] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=638/5, var_1_17=128, var_1_18=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_9=164/5] [L141] RET updateVariables() [L142] CALL step() [L48] signed long int stepLocal_0 = var_1_2; [L49] COND TRUE stepLocal_0 > ((var_1_3 % var_1_4) * var_1_5) [L50] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) [L54] COND TRUE var_1_10 || (var_1_2 == var_1_5) [L55] var_1_9 = ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)) [L59] COND FALSE !(! var_1_10) [L62] var_1_13 = (var_1_14 + var_1_15) [L64] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L65] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) [L69] COND TRUE var_1_8 < (var_1_1 / var_1_12) [L70] COND FALSE !(var_1_1 > var_1_6) [L74] COND TRUE var_1_10 || var_1_20 [L75] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L77] COND TRUE \read(var_1_10) [L78] EXPR var_1_18 | var_1_14 [L78] COND TRUE (var_1_18 | var_1_14) != (var_1_23 - var_1_15) [L79] var_1_22 = 4.75 [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L133] EXPR var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1 [L133] EXPR var_1_18 | var_1_14 [L133] EXPR var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1 [L133] EXPR (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L133-L134] return (((((((var_1_2 > ((var_1_3 % var_1_4) * var_1_5)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_2 == var_1_5)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_14))) : (var_1_13 == ((unsigned long int) (var_1_14 + var_1_15))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_1 / var_1_12)) ? ((var_1_1 > var_1_6) ? (var_1_17 == ((signed long int) var_1_18)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_18 | var_1_14) != (var_1_23 - var_1_15)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=128, var_1_18=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=128, var_1_18=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=19/4, var_1_23=4294967295, var_1_2=-3, var_1_3=2, var_1_4=3, var_1_5=-2, var_1_6=2, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 29, 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=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 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 12:30:22,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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_997adeb9-7882-46b0-8dd3-3767862d5556/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 fa87f48d00b8007f37644abf4bb5e21ad8dd1d68207bd51d9f20b5fb36de6e03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:30:25,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:30:25,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:30:25,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:30:25,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:30:25,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:30:25,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:30:25,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:30:25,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:30:25,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:30:25,130 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:30:25,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:30:25,131 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:30:25,131 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:30:25,132 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:30:25,133 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:30:25,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:30:25,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:30:25,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:30:25,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:30:25,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:30:25,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:30:25,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:30:25,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:30:25,138 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:30:25,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:30:25,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:30:25,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:30:25,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:30:25,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:30:25,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:30:25,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:30:25,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:30:25,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:30:25,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:25,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:30:25,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:30:25,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:30:25,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:30:25,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:30:25,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:30:25,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:30:25,143 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:30:25,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:30:25,144 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_997adeb9-7882-46b0-8dd3-3767862d5556/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa87f48d00b8007f37644abf4bb5e21ad8dd1d68207bd51d9f20b5fb36de6e03 [2023-12-02 12:30:25,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:30:25,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:30:25,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:30:25,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:30:25,479 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:30:25,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:28,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:30:28,587 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:30:28,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:28,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/20c985626/526b4ae202a145f0918db73c08d0efdf/FLAG049ce1103 [2023-12-02 12:30:28,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/data/20c985626/526b4ae202a145f0918db73c08d0efdf [2023-12-02 12:30:28,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:30:28,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:30:28,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:28,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:30:28,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:30:28,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:28,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773f695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28, skipping insertion in model container [2023-12-02 12:30:28,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:28,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:30:28,849 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_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i[917,930] [2023-12-02 12:30:28,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:28,927 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:30:28,943 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_997adeb9-7882-46b0-8dd3-3767862d5556/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-62.i[917,930] [2023-12-02 12:30:28,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:28,999 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:30:28,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28 WrapperNode [2023-12-02 12:30:29,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:29,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:29,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:30:29,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:30:29,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,060 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-12-02 12:30:29,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:29,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:30:29,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:30:29,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:30:29,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:30:29,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:30:29,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:30:29,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:30:29,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (1/1) ... [2023-12-02 12:30:29,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:29,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:29,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:30:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:30:29,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:30:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:30:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:30:29,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:30:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:30:29,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:30:29,275 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:30:29,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:30:46,354 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:46,397 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:46,398 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:30:46,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:46 BoogieIcfgContainer [2023-12-02 12:30:46,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:46,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:46,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:46,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:46,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:28" (1/3) ... [2023-12-02 12:30:46,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa8a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:46, skipping insertion in model container [2023-12-02 12:30:46,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:28" (2/3) ... [2023-12-02 12:30:46,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aa8a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:46, skipping insertion in model container [2023-12-02 12:30:46,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:46" (3/3) ... [2023-12-02 12:30:46,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-62.i [2023-12-02 12:30:46,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:46,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:46,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:46,468 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;@49d170b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:46,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 12:30:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 12:30:46,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:46,487 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:46,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:46,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:46,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1291031870, now seen corresponding path program 1 times [2023-12-02 12:30:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:46,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878109827] [2023-12-02 12:30:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:46,506 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 12:30:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:46,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:46,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:48,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:30:48,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-02 12:30:48,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:48,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:30:48,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878109827] [2023-12-02 12:30:48,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878109827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:48,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:48,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:30:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082133241] [2023-12-02 12:30:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:48,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:30:48,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:30:48,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:30:48,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:30:48,379 INFO L87 Difference]: Start difference. First operand has 67 states, 35 states have (on average 1.4) internal successors, (49), 36 states have internal predecessors, (49), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 12:30:51,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:51,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:51,716 INFO L93 Difference]: Finished difference Result 131 states and 241 transitions. [2023-12-02 12:30:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:30:52,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 173 [2023-12-02 12:30:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:52,072 INFO L225 Difference]: With dead ends: 131 [2023-12-02 12:30:52,072 INFO L226 Difference]: Without dead ends: 65 [2023-12-02 12:30:52,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 12:30:52,080 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:52,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 12:30:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-02 12:30:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-02 12:30:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 12:30:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2023-12-02 12:30:52,150 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 173 [2023-12-02 12:30:52,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:52,150 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2023-12-02 12:30:52,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-12-02 12:30:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-12-02 12:30:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 12:30:52,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:52,156 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:52,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:52,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:52,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:52,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:52,358 INFO L85 PathProgramCache]: Analyzing trace with hash 674804732, now seen corresponding path program 1 times [2023-12-02 12:30:52,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:52,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039649093] [2023-12-02 12:30:52,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:52,360 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 12:30:52,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:52,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:52,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/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 12:30:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:55,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 12:30:55,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:32:21,462 WARN L293 SmtUtils]: Spent 16.29s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:33:50,309 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (or (not (= c_~var_1_10~0 (_ bv0 8))) (= c_~var_1_5~0 c_~var_1_2~0)) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 12:33:52,374 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (or (not (= c_~var_1_10~0 (_ bv0 8))) (= c_~var_1_5~0 c_~var_1_2~0)) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 12:35:25,250 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 12:35:27,313 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse5) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse6)) (fp.leq c_~var_1_11~0 (fp.neg .cse7))))) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse5)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 12:37:53,640 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 12:37:55,753 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 12:38:01,399 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:06,960 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:12,588 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:17,997 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:23,953 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:29,438 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:35,027 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:40,607 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:46,126 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:38:51,689 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:02,224 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:07,766 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:13,336 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:18,910 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:24,427 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:29,998 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:35,559 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:41,132 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:46,657 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:52,126 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:39:57,561 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:03,115 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:08,649 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:14,211 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:19,770 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:25,253 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:30,837 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:36,390 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:41,977 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:47,521 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:53,044 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:40:58,582 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:00,913 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_1~0 .cse9))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-02 12:41:03,239 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse12 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse12)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.geq c_~var_1_6~0 .cse0) (fp.geq c_~var_1_8~0 .cse0) (fp.leq c_~var_1_7~0 .cse1) (let ((.cse4 (fp.gt c_~var_1_8~0 c_~var_1_7~0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 161.0 10.0)) c_~var_1_11~0)))) (or (and (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_8~0) .cse3)) c_~var_1_9~0) .cse4) (and (not .cse4) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode .cse2 c_~var_1_7~0) .cse3)) c_~var_1_9~0)))) (fp.geq c_~var_1_7~0 .cse0) (let ((.cse6 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0))) (.cse5 (fp.gt .cse9 c_~var_1_7~0))) (or (and (not .cse5) (let ((.cse7 (fp.lt c_~var_1_7~0 c_~var_1_8~0))) (or (and .cse6 (not .cse7)) (and .cse7 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)))))) (and (let ((.cse8 (fp.lt .cse9 c_~var_1_8~0))) (or (and .cse8 (= c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode .cse9))) (and .cse6 (not .cse8)))) .cse5))) (fp.leq .cse9 (fp.mul c_currentRoundingMode c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 29.0 5.0))))) (not (fp.lt c_~var_1_8~0 (fp.div c_currentRoundingMode c_~var_1_1~0 .cse9))) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 (fp.add c_currentRoundingMode c_~var_1_7~0 c_~var_1_8~0))) (fp.leq c_~var_1_8~0 .cse1) (fp.leq c_~var_1_12~0 .cse10) (let ((.cse11 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.leq c_~var_1_11~0 .cse11) (fp.geq c_~var_1_11~0 .cse12)) (and (fp.geq c_~var_1_11~0 (fp.neg .cse11)) (fp.leq c_~var_1_11~0 (fp.neg .cse12))))) (fp.geq c_~var_1_12~0 .cse12) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (= (bvadd c_~var_1_14~0 (_ bv50 32)) c_~var_1_13~0) (= c_~var_1_5~0 c_~var_1_2~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 12:41:08,948 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:14,511 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:20,116 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:25,526 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:31,124 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:36,533 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:42,127 WARN L293 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:47,783 WARN L293 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:53,364 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:41:58,973 WARN L293 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:42:04,604 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 12:42:05,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2023-12-02 12:42:05,939 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 12:42:05,941 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:42:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039649093] [2023-12-02 12:42:05,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2023-12-02 12:42:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2094198669] [2023-12-02 12:42:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:42:05,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:42:05,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:42:05,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:42:05,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 12:42:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:42:09,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 12:42:09,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:42:09,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2023-12-02 12:42:09,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301813121] [2023-12-02 12:42:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:42:09,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:42:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:42:09,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:42:09,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997adeb9-7882-46b0-8dd3-3767862d5556/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process