./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.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_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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_e1bee084-3f33-499b-9281-1237cb5165aa/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 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:53:17,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:53:18,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:53:18,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:53:18,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:53:18,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:53:18,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:53:18,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:53:18,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:53:18,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:53:18,052 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:53:18,052 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:53:18,053 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:53:18,053 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:53:18,054 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:53:18,054 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:53:18,054 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:53:18,055 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:53:18,055 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:53:18,056 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:53:18,056 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:53:18,058 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:53:18,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:53:18,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:53:18,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:53:18,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:53:18,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:53:18,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:53:18,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:53:18,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:53:18,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:53:18,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:53:18,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:53:18,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:53:18,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:53:18,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:53:18,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:53:18,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:53:18,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:53:18,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:53:18,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:53:18,064 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:53:18,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:53:18,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:53:18,064 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:53:18,065 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:53:18,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:53:18,065 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_e1bee084-3f33-499b-9281-1237cb5165aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 [2023-12-02 14:53:18,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:53:18,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:53:18,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:53:18,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:53:18,302 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:53:18,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:21,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:53:21,267 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:53:21,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:21,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/c9767e903/87cf26c389d744a39764e3daf8293ed5/FLAGad2368132 [2023-12-02 14:53:21,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/c9767e903/87cf26c389d744a39764e3daf8293ed5 [2023-12-02 14:53:21,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:53:21,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:53:21,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:53:21,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:53:21,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:53:21,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306d3fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21, skipping insertion in model container [2023-12-02 14:53:21,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:53:21,455 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_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-12-02 14:53:21,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:53:21,533 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:53:21,543 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_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-12-02 14:53:21,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:53:21,593 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:53:21,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21 WrapperNode [2023-12-02 14:53:21,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:53:21,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:53:21,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:53:21,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:53:21,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,645 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-12-02 14:53:21,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:53:21,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:53:21,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:53:21,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:53:21,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:53:21,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:53:21,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:53:21,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:53:21,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (1/1) ... [2023-12-02 14:53:21,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:53:21,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:53:21,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:53:21,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:53:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:53:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:53:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:53:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:53:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:53:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:53:21,844 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:53:21,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:53:22,166 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:53:22,422 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:53:22,422 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:53:22,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:22 BoogieIcfgContainer [2023-12-02 14:53:22,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:53:22,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:53:22,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:53:22,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:53:22,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:21" (1/3) ... [2023-12-02 14:53:22,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b2c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:22, skipping insertion in model container [2023-12-02 14:53:22,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:21" (2/3) ... [2023-12-02 14:53:22,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b2c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:22, skipping insertion in model container [2023-12-02 14:53:22,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:22" (3/3) ... [2023-12-02 14:53:22,432 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:22,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:53:22,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:53:22,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:53:22,492 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;@6fd3cb75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:53:22,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:53:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 14:53:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 14:53:22,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:53:22,506 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:53:22,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:53:22,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:53:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1859031273, now seen corresponding path program 1 times [2023-12-02 14:53:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:53:22,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894928529] [2023-12-02 14:53:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:53:22,655 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:53:22,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672766878] [2023-12-02 14:53:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:22,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:53:22,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:53:22,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:53:22,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:53:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:53:23,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:53:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:53:23,996 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:53:23,998 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:53:23,999 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:53:24,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:53:24,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:53:24,206 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:53:24,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:53:24,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:53:24 BoogieIcfgContainer [2023-12-02 14:53:24,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:53:24,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:53:24,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:53:24,302 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:53:24,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:22" (3/4) ... [2023-12-02 14:53:24,305 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:53:24,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:53:24,308 INFO L158 Benchmark]: Toolchain (without parser) took 3011.47ms. Allocated memory is still 157.3MB. Free memory was 127.6MB in the beginning and 104.5MB in the end (delta: 23.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,308 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:53:24,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.92ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.28ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,310 INFO L158 Benchmark]: Boogie Preprocessor took 41.77ms. Allocated memory is still 157.3MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,311 INFO L158 Benchmark]: RCFGBuilder took 735.26ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,311 INFO L158 Benchmark]: TraceAbstraction took 1875.22ms. Allocated memory is still 157.3MB. Free memory was 93.5MB in the beginning and 105.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:53:24,312 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 14:53:24,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.92ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.28ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 108.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.77ms. Allocated memory is still 157.3MB. Free memory was 108.2MB in the beginning and 106.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.26ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1875.22ms. Allocated memory is still 157.3MB. Free memory was 93.5MB in the beginning and 105.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of shiftRight at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] unsigned short int var_1_25 = 32; [L44] unsigned char var_1_29 = 1; [L45] unsigned long int var_1_31 = 0; [L46] unsigned char var_1_32 = 1; [L47] unsigned short int var_1_33 = 1000; [L48] signed char var_1_38 = 25; [L49] unsigned short int var_1_39 = 200; [L50] unsigned char var_1_43 = 10; [L51] unsigned char var_1_47 = 0; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] FCALL updateLastVariables() [L185] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L136] var_1_3 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L139] var_1_4 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L141] var_1_5 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L143] var_1_6 = __VERIFIER_nondet_float() [L144] 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=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) [L144] 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=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L145] var_1_7 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L156] var_1_16 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L161] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L164] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L165] var_1_33 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L167] CALL assume_abort_if_not(var_1_33 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_33 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L169] var_1_39 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_39 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_39 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_39 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=4, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=9, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=4, var_1_3=0, var_1_43=10, var_1_47=0, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] var_1_23 = var_1_12 [L56] COND TRUE var_1_11 < var_1_12 [L57] COND FALSE !((~ var_1_20) >= var_1_21) [L61] var_1_29 = var_1_19 [L62] COND TRUE var_1_11 >= var_1_11 [L63] var_1_31 = ((((var_1_11) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_11) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) [L65] COND TRUE var_1_20 < (~ (var_1_11 / var_1_33)) [L66] COND TRUE \read(var_1_17) [L67] COND FALSE !((var_1_13 * var_1_6) == var_1_5) [L80] COND FALSE !(\read(var_1_19)) [L85] COND TRUE ((((var_1_11) < (var_1_33)) ? (var_1_11) : (var_1_33))) < (var_1_39 + var_1_12) [L86] var_1_43 = ((((var_1_11) < ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) ? (var_1_11) : ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) [L88] var_1_47 = var_1_11 [L89] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L90] var_1_12 = var_1_11 [L92] var_1_20 = var_1_11 [L93] var_1_21 = 8 [L94] EXPR 2u >> var_1_11 [L94] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L95] COND TRUE var_1_12 != var_1_21 [L96] var_1_10 = var_1_11 [L101] COND TRUE ! var_1_2 [L102] COND FALSE !(var_1_2 || var_1_3) [L105] COND TRUE ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21 [L106] var_1_14 = (var_1_2 || var_1_16) [L112] unsigned char stepLocal_1 = var_1_14; [L113] unsigned char stepLocal_0 = var_1_14; [L114] COND TRUE var_1_14 || stepLocal_0 [L115] COND TRUE stepLocal_1 || var_1_14 [L116] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) [L123] COND TRUE var_1_6 > (- var_1_7) [L124] COND FALSE !(var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) [L130] var_1_22 = var_1_8 [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) [L177-L178] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=9, var_1_11=9, var_1_12=9, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=0, var_1_20=9, var_1_21=8, var_1_22=1, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=0, var_1_31=9, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=4, var_1_3=0, var_1_43=9, var_1_47=9, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=9, var_1_11=9, var_1_12=9, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=0, var_1_20=9, var_1_21=8, var_1_22=1, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=0, var_1_31=9, var_1_32=1, var_1_33=10, var_1_38=25, var_1_39=4, var_1_3=0, var_1_43=9, var_1_47=9, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 14:53:24,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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_e1bee084-3f33-499b-9281-1237cb5165aa/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 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:53:26,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:53:26,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:53:26,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:53:26,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:53:26,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:53:26,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:53:26,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:53:26,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:53:26,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:53:26,371 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:53:26,371 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:53:26,372 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:53:26,373 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:53:26,373 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:53:26,374 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:53:26,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:53:26,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:53:26,376 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:53:26,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:53:26,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:53:26,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:53:26,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:53:26,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:53:26,379 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:53:26,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:53:26,380 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:53:26,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:53:26,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:53:26,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:53:26,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:53:26,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:53:26,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:53:26,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:53:26,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:53:26,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:53:26,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:53:26,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:53:26,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:53:26,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:53:26,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:53:26,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:53:26,384 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:53:26,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:53:26,385 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_e1bee084-3f33-499b-9281-1237cb5165aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 [2023-12-02 14:53:26,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:53:26,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:53:26,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:53:26,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:53:26,712 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:53:26,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:29,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:53:29,613 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:53:29,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:29,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/9e06299c8/3b79285336fa4233a986160fee4e7f10/FLAG1ac6b8dae [2023-12-02 14:53:29,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/data/9e06299c8/3b79285336fa4233a986160fee4e7f10 [2023-12-02 14:53:29,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:53:29,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:53:29,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:53:29,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:53:29,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:53:29,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:29,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cef6ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29, skipping insertion in model container [2023-12-02 14:53:29,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:29,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:53:29,800 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_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-12-02 14:53:29,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:53:29,882 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:53:29,892 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_e1bee084-3f33-499b-9281-1237cb5165aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-12-02 14:53:29,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:53:29,946 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:53:29,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29 WrapperNode [2023-12-02 14:53:29,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:53:29,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:53:29,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:53:29,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:53:29,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:29,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,001 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-12-02 14:53:30,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:53:30,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:53:30,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:53:30,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:53:30,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:53:30,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:53:30,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:53:30,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:53:30,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (1/1) ... [2023-12-02 14:53:30,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:53:30,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:53:30,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:53:30,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:53:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:53:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:53:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:53:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:53:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:53:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:53:30,209 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:53:30,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:53:35,011 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:53:35,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:53:35,061 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:53:35,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:35 BoogieIcfgContainer [2023-12-02 14:53:35,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:53:35,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:53:35,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:53:35,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:53:35,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:29" (1/3) ... [2023-12-02 14:53:35,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c31565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:35, skipping insertion in model container [2023-12-02 14:53:35,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:29" (2/3) ... [2023-12-02 14:53:35,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c31565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:35, skipping insertion in model container [2023-12-02 14:53:35,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:35" (3/3) ... [2023-12-02 14:53:35,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-12-02 14:53:35,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:53:35,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:53:35,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:53:35,146 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;@3002cd7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:53:35,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:53:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 14:53:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 14:53:35,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:53:35,168 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:53:35,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:53:35,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:53:35,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1072612878, now seen corresponding path program 1 times [2023-12-02 14:53:35,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:53:35,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797227145] [2023-12-02 14:53:35,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:35,186 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 14:53:35,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:53:35,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:35,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:35,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:53:35,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-12-02 14:53:35,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:53:35,752 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:53:35,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797227145] [2023-12-02 14:53:35,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797227145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:53:35,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:53:35,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:53:35,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63962921] [2023-12-02 14:53:35,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:53:35,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:53:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:53:35,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:53:35,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:53:35,792 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 14:53:37,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:53:37,316 INFO L93 Difference]: Finished difference Result 151 states and 274 transitions. [2023-12-02 14:53:37,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:53:37,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-12-02 14:53:37,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:53:37,365 INFO L225 Difference]: With dead ends: 151 [2023-12-02 14:53:37,366 INFO L226 Difference]: Without dead ends: 75 [2023-12-02 14:53:37,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 14:53:37,371 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:53:37,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 14:53:37,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-02 14:53:37,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-12-02 14:53:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 47 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 14:53:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-12-02 14:53:37,416 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 164 [2023-12-02 14:53:37,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:53:37,417 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-12-02 14:53:37,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 14:53:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-12-02 14:53:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 14:53:37,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:53:37,422 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:53:37,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:37,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:37,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:53:37,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:53:37,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1823672066, now seen corresponding path program 1 times [2023-12-02 14:53:37,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:53:37,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407269152] [2023-12-02 14:53:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:37,626 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 14:53:37,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:53:37,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:37,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:38,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:53:38,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:53:38,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:53:39,462 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:53:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407269152] [2023-12-02 14:53:39,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407269152] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:53:39,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [378024657] [2023-12-02 14:53:39,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:39,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:53:39,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:53:39,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:53:39,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:53:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:39,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:53:39,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 14:53:40,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:53:40,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [378024657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:53:40,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:53:40,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2023-12-02 14:53:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047230776] [2023-12-02 14:53:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:53:40,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:53:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:53:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:53:40,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:53:40,627 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:53:42,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:44,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:46,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:47,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:53:47,024 INFO L93 Difference]: Finished difference Result 223 states and 349 transitions. [2023-12-02 14:53:47,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:53:47,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-02 14:53:47,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:53:47,028 INFO L225 Difference]: With dead ends: 223 [2023-12-02 14:53:47,028 INFO L226 Difference]: Without dead ends: 149 [2023-12-02 14:53:47,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:53:47,030 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 28 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:53:47,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 217 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-12-02 14:53:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-12-02 14:53:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2023-12-02 14:53:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 14:53:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2023-12-02 14:53:47,065 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 164 [2023-12-02 14:53:47,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:53:47,066 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2023-12-02 14:53:47,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:53:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2023-12-02 14:53:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 14:53:47,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:53:47,070 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:53:47,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 14:53:47,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:53:47,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:47,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:53:47,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:53:47,473 INFO L85 PathProgramCache]: Analyzing trace with hash 451922910, now seen corresponding path program 1 times [2023-12-02 14:53:47,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:53:47,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273188982] [2023-12-02 14:53:47,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:47,474 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 14:53:47,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:53:47,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:47,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (5)] Waiting until timeout for monitored process [2023-12-02 14:53:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:47,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:53:47,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:53:48,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:53:49,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:53:49,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273188982] [2023-12-02 14:53:49,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273188982] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:53:49,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1275853636] [2023-12-02 14:53:49,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:49,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:53:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:53:49,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:53:49,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 14:53:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:49,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:53:49,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 14:53:50,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:53:50,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1275853636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:53:50,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:53:50,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-02 14:53:50,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966011094] [2023-12-02 14:53:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:53:50,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:53:50,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:53:50,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:53:50,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:53:50,301 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:53:51,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:53,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:55,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:57,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:53:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:53:57,406 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2023-12-02 14:53:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:53:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-02 14:53:57,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:53:57,453 INFO L225 Difference]: With dead ends: 301 [2023-12-02 14:53:57,453 INFO L226 Difference]: Without dead ends: 157 [2023-12-02 14:53:57,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:53:57,456 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 9 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:53:57,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 195 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2023-12-02 14:53:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-02 14:53:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 145. [2023-12-02 14:53:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 14:53:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2023-12-02 14:53:57,482 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 165 [2023-12-02 14:53:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:53:57,483 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2023-12-02 14:53:57,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:53:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2023-12-02 14:53:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 14:53:57,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:53:57,487 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:53:57,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 14:53:57,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (5)] Ended with exit code 0 [2023-12-02 14:53:57,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:57,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:53:57,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:53:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1731786588, now seen corresponding path program 1 times [2023-12-02 14:53:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:53:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359280984] [2023-12-02 14:53:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:57,894 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 14:53:57,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:53:57,895 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:53:57,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (7)] Waiting until timeout for monitored process [2023-12-02 14:53:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:53:58,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:53:58,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:53:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:53:58,988 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:53:59,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:53:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359280984] [2023-12-02 14:53:59,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359280984] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:53:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1258165112] [2023-12-02 14:53:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:53:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:53:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:53:59,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:53:59,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 14:54:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:00,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 14:54:00,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 14:54:00,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:54:00,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1258165112] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:54:00,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:54:00,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-02 14:54:00,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705376510] [2023-12-02 14:54:00,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:54:00,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:54:00,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:54:00,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:54:00,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:54:00,487 INFO L87 Difference]: Start difference. First operand 145 states and 224 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:54:02,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:54:02,715 INFO L93 Difference]: Finished difference Result 348 states and 538 transitions. [2023-12-02 14:54:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:54:02,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-02 14:54:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:54:02,719 INFO L225 Difference]: With dead ends: 348 [2023-12-02 14:54:02,719 INFO L226 Difference]: Without dead ends: 204 [2023-12-02 14:54:02,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 14:54:02,721 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 113 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:54:02,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 284 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 14:54:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-12-02 14:54:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 145. [2023-12-02 14:54:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 14:54:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 222 transitions. [2023-12-02 14:54:02,747 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 222 transitions. Word has length 165 [2023-12-02 14:54:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:54:02,748 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 222 transitions. [2023-12-02 14:54:02,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 14:54:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-12-02 14:54:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 14:54:02,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:54:02,751 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:54:02,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (7)] Ended with exit code 0 [2023-12-02 14:54:02,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 14:54:03,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:54:03,153 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:54:03,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:54:03,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1425145008, now seen corresponding path program 1 times [2023-12-02 14:54:03,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:54:03,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789323415] [2023-12-02 14:54:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:03,154 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 14:54:03,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:54:03,155 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:54:03,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (9)] Waiting until timeout for monitored process [2023-12-02 14:54:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:03,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:54:03,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:54:04,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:04,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:54:04,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789323415] [2023-12-02 14:54:04,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789323415] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:54:04,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [289048529] [2023-12-02 14:54:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:04,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:54:04,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:54:04,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:54:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 14:54:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:05,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:54:05,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:54:06,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:06,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [289048529] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:54:06,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112297798] [2023-12-02 14:54:06,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:06,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:54:06,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:54:06,585 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:54:06,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 14:54:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:06,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:54:06,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-12-02 14:54:07,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:07,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112297798] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:54:07,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:54:07,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-12-02 14:54:07,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395976262] [2023-12-02 14:54:07,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:54:07,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 14:54:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:54:07,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 14:54:07,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 14:54:07,695 INFO L87 Difference]: Start difference. First operand 145 states and 222 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-02 14:54:10,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:12,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:14,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:16,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:16,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:54:16,340 INFO L93 Difference]: Finished difference Result 315 states and 465 transitions. [2023-12-02 14:54:16,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 14:54:16,385 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 166 [2023-12-02 14:54:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:54:16,386 INFO L225 Difference]: With dead ends: 315 [2023-12-02 14:54:16,386 INFO L226 Difference]: Without dead ends: 171 [2023-12-02 14:54:16,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-12-02 14:54:16,388 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 112 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 24 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:54:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 207 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 269 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2023-12-02 14:54:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-02 14:54:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 159. [2023-12-02 14:54:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 100 states have (on average 1.26) internal successors, (126), 100 states have internal predecessors, (126), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 14:54:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 230 transitions. [2023-12-02 14:54:16,408 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 230 transitions. Word has length 166 [2023-12-02 14:54:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:54:16,409 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 230 transitions. [2023-12-02 14:54:16,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-12-02 14:54:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 230 transitions. [2023-12-02 14:54:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 14:54:16,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:54:16,412 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:54:16,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 14:54:16,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (9)] Ended with exit code 0 [2023-12-02 14:54:16,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 14:54:17,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:54:17,014 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:54:17,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:54:17,014 INFO L85 PathProgramCache]: Analyzing trace with hash -128406520, now seen corresponding path program 1 times [2023-12-02 14:54:17,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:54:17,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241657281] [2023-12-02 14:54:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:17,015 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 14:54:17,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:54:17,016 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:54:17,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (12)] Waiting until timeout for monitored process [2023-12-02 14:54:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:17,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:54:17,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 14:54:17,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 14:54:17,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:54:17,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241657281] [2023-12-02 14:54:17,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241657281] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:54:17,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [637746880] [2023-12-02 14:54:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:54:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:54:17,946 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:54:17,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 14:54:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:18,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:54:18,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 14:54:19,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 14:54:19,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [637746880] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:54:19,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973688503] [2023-12-02 14:54:19,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:54:19,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:54:19,323 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:54:19,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 14:54:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:19,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 14:54:19,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 14:54:19,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 14:54:20,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973688503] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:54:20,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 14:54:20,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 14:54:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81604805] [2023-12-02 14:54:20,049 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 14:54:20,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 14:54:20,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:54:20,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 14:54:20,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:54:20,051 INFO L87 Difference]: Start difference. First operand 159 states and 230 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 14:54:22,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:24,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:26,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:54:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:54:26,682 INFO L93 Difference]: Finished difference Result 337 states and 477 transitions. [2023-12-02 14:54:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 14:54:26,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 166 [2023-12-02 14:54:26,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:54:26,727 INFO L225 Difference]: With dead ends: 337 [2023-12-02 14:54:26,727 INFO L226 Difference]: Without dead ends: 179 [2023-12-02 14:54:26,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 994 GetRequests, 982 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 14:54:26,728 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 163 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 75 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:54:26,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 182 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-12-02 14:54:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-02 14:54:26,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2023-12-02 14:54:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 106 states have internal predecessors, (130), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 14:54:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 234 transitions. [2023-12-02 14:54:26,749 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 234 transitions. Word has length 166 [2023-12-02 14:54:26,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:54:26,749 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 234 transitions. [2023-12-02 14:54:26,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-02 14:54:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 234 transitions. [2023-12-02 14:54:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 14:54:26,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:54:26,751 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:54:26,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 14:54:26,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (12)] Ended with exit code 0 [2023-12-02 14:54:27,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-02 14:54:27,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:54:27,352 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:54:27,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:54:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash -555487698, now seen corresponding path program 1 times [2023-12-02 14:54:27,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:54:27,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92456716] [2023-12-02 14:54:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:27,353 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 14:54:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:54:27,354 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 14:54:27,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/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 (15)] Waiting until timeout for monitored process [2023-12-02 14:54:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:27,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:54:27,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:54:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 46 proven. 576 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-12-02 14:54:31,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:54:31,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:54:31,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92456716] [2023-12-02 14:54:31,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92456716] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:54:31,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1022598347] [2023-12-02 14:54:31,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:54:31,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:54:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:54:31,584 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:54:31,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1bee084-3f33-499b-9281-1237cb5165aa/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 14:54:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:54:32,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 14:54:32,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:55:10,991 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:55:29,482 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:58:41,059 WARN L293 SmtUtils]: Spent 47.19s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:01:54,276 WARN L293 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:04:15,469 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ extract 7 0) c_~var_1_11~0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.eq c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_4~0 c_~var_1_13~0)) (= c_~var_1_12~0 .cse0) (not (bvult c_~var_1_11~0 (_ bv32 32))) (fp.leq c_~var_1_5~0 .cse1) (fp.eq (fp.mul c_currentRoundingMode c_~var_1_13~0 c_~var_1_6~0) c_~var_1_5~0) (fp.geq c_~var_1_4~0 .cse2) (fp.leq c_~var_1_4~0 .cse1) (bvule c_~var_1_11~0 (_ bv33 32)) (fp.geq c_~var_1_6~0 .cse2) (= c_~var_1_19~0 (_ bv0 8)) (fp.geq c_~var_1_5~0 .cse2) (= c_~var_1_20~0 .cse0) (= ((_ extract 15 0) c_~var_1_11~0) c_~var_1_10~0) (= (_ bv1 8) c_~var_1_14~0) (fp.leq c_~var_1_6~0 .cse1) (fp.geq c_~var_1_7~0 .cse2) (= (_ bv8 16) c_~var_1_21~0) (fp.leq c_~var_1_7~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 15:04:17,513 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ extract 7 0) c_~var_1_11~0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.eq c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_4~0 c_~var_1_13~0)) (= c_~var_1_12~0 .cse0) (not (bvult c_~var_1_11~0 (_ bv32 32))) (fp.leq c_~var_1_5~0 .cse1) (fp.eq (fp.mul c_currentRoundingMode c_~var_1_13~0 c_~var_1_6~0) c_~var_1_5~0) (fp.geq c_~var_1_4~0 .cse2) (fp.leq c_~var_1_4~0 .cse1) (bvule c_~var_1_11~0 (_ bv33 32)) (fp.geq c_~var_1_6~0 .cse2) (= c_~var_1_19~0 (_ bv0 8)) (fp.geq c_~var_1_5~0 .cse2) (= c_~var_1_20~0 .cse0) (= ((_ extract 15 0) c_~var_1_11~0) c_~var_1_10~0) (= (_ bv1 8) c_~var_1_14~0) (fp.leq c_~var_1_6~0 .cse1) (fp.geq c_~var_1_7~0 .cse2) (= (_ bv8 16) c_~var_1_21~0) (fp.leq c_~var_1_7~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 15:05:31,154 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ extract 7 0) c_~var_1_11~0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.eq c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_4~0 c_~var_1_13~0)) (= c_~var_1_12~0 .cse0) (not (bvult c_~var_1_11~0 (_ bv32 32))) (fp.leq c_~var_1_5~0 .cse1) (fp.eq (fp.mul c_currentRoundingMode c_~var_1_13~0 c_~var_1_6~0) c_~var_1_5~0) (fp.geq c_~var_1_4~0 .cse2) (not (= (_ bv0 8) c_~var_1_2~0)) (fp.leq c_~var_1_4~0 .cse1) (bvule c_~var_1_11~0 (_ bv33 32)) (fp.geq c_~var_1_6~0 .cse2) (= c_~var_1_19~0 (_ bv0 8)) (fp.geq c_~var_1_5~0 .cse2) (= c_~var_1_20~0 .cse0) (= ((_ extract 15 0) c_~var_1_11~0) c_~var_1_10~0) (= (_ bv1 8) c_~var_1_14~0) (fp.leq c_~var_1_6~0 .cse1) (fp.geq c_~var_1_7~0 .cse2) (= (_ bv8 16) c_~var_1_21~0) (fp.leq c_~var_1_7~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 15:05:33,203 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ extract 7 0) c_~var_1_11~0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (and (fp.eq c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_4~0 c_~var_1_13~0)) (= c_~var_1_12~0 .cse0) (not (bvult c_~var_1_11~0 (_ bv32 32))) (fp.leq c_~var_1_5~0 .cse1) (fp.eq (fp.mul c_currentRoundingMode c_~var_1_13~0 c_~var_1_6~0) c_~var_1_5~0) (fp.geq c_~var_1_4~0 .cse2) (not (= (_ bv0 8) c_~var_1_2~0)) (fp.leq c_~var_1_4~0 .cse1) (bvule c_~var_1_11~0 (_ bv33 32)) (fp.geq c_~var_1_6~0 .cse2) (= c_~var_1_19~0 (_ bv0 8)) (fp.geq c_~var_1_5~0 .cse2) (= c_~var_1_20~0 .cse0) (= ((_ extract 15 0) c_~var_1_11~0) c_~var_1_10~0) (= (_ bv1 8) c_~var_1_14~0) (fp.leq c_~var_1_6~0 .cse1) (fp.geq c_~var_1_7~0 .cse2) (= (_ bv8 16) c_~var_1_21~0) (fp.leq c_~var_1_7~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true