./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.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_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/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 ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:19:25,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:19:25,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:19:25,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:19:25,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:19:25,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:19:25,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:19:25,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:19:25,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:19:25,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:19:25,899 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:19:25,900 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:19:25,900 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:19:25,901 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:19:25,901 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:19:25,902 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:19:25,902 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:19:25,903 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:19:25,903 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:19:25,904 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:19:25,904 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:19:25,905 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:19:25,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:19:25,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:19:25,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:19:25,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:19:25,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:19:25,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:19:25,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:19:25,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:19:25,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:19:25,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:19:25,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:19:25,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:19:25,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:19:25,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:19:25,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:19:25,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:19:25,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:19:25,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:19:25,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:19:25,914 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:19:25,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:19:25,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:19:25,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:19:25,915 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:19:25,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:19:25,915 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_65033343-e988-4126-ba2d-c7a229406c06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 [2023-12-02 18:19:26,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:19:26,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:19:26,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:19:26,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:19:26,184 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:19:26,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:29,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:19:29,317 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:19:29,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:29,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/ce570c001/4c31009dc00a4a7aab8adda2c7f80898/FLAG0ef3a69a5 [2023-12-02 18:19:29,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/ce570c001/4c31009dc00a4a7aab8adda2c7f80898 [2023-12-02 18:19:29,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:19:29,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:19:29,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:19:29,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:19:29,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:19:29,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1b8f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29, skipping insertion in model container [2023-12-02 18:19:29,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:19:29,568 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_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-12-02 18:19:29,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:19:29,678 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:19:29,692 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_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-12-02 18:19:29,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:19:29,764 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:19:29,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29 WrapperNode [2023-12-02 18:19:29,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:19:29,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:19:29,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:19:29,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:19:29,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,854 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-12-02 18:19:29,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:19:29,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:19:29,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:19:29,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:19:29,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:19:29,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:19:29,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:19:29,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:19:29,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (1/1) ... [2023-12-02 18:19:29,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:19:29,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:19:29,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:19:29,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:19:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:19:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:19:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:19:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:19:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:19:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:19:30,112 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:19:30,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:19:30,586 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:19:30,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:19:30,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:19:30,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:30 BoogieIcfgContainer [2023-12-02 18:19:30,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:19:30,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:19:30,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:19:30,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:19:30,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:19:29" (1/3) ... [2023-12-02 18:19:30,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5245bb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:19:30, skipping insertion in model container [2023-12-02 18:19:30,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:29" (2/3) ... [2023-12-02 18:19:30,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5245bb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:19:30, skipping insertion in model container [2023-12-02 18:19:30,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:30" (3/3) ... [2023-12-02 18:19:30,938 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:30,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:19:30,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:19:31,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:19:31,024 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;@5e49a505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:19:31,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:19:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:19:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 18:19:31,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:31,045 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:31,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:31,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash 405210298, now seen corresponding path program 1 times [2023-12-02 18:19:31,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:19:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24960284] [2023-12-02 18:19:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:19:31,254 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:19:31,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123231697] [2023-12-02 18:19:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:19:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:19:31,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:19:31,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:19:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:19:31,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:19:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:19:32,368 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:19:32,371 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:19:32,372 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:19:32,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:19:32,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:19:32,579 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:19:32,583 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:19:32,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:19:32 BoogieIcfgContainer [2023-12-02 18:19:32,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:19:32,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:19:32,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:19:32,681 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:19:32,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:30" (3/4) ... [2023-12-02 18:19:32,683 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:19:32,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:19:32,686 INFO L158 Benchmark]: Toolchain (without parser) took 3336.43ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 113.7MB in the end (delta: 17.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,686 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:19:32,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.92ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 113.6MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.27ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 105.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,688 INFO L158 Benchmark]: Boogie Preprocessor took 68.02ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,689 INFO L158 Benchmark]: RCFGBuilder took 1003.97ms. Allocated memory is still 163.6MB. Free memory was 103.1MB in the beginning and 98.4MB in the end (delta: 4.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,689 INFO L158 Benchmark]: TraceAbstraction took 1748.75ms. Allocated memory is still 163.6MB. Free memory was 97.5MB in the beginning and 113.7MB in the end (delta: -16.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-12-02 18:19:32,690 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 163.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:19:32,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.92ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 113.6MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.27ms. Allocated memory is still 163.6MB. Free memory was 113.6MB in the beginning and 105.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.02ms. Allocated memory is still 163.6MB. Free memory was 105.9MB in the beginning and 103.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1003.97ms. Allocated memory is still 163.6MB. Free memory was 103.1MB in the beginning and 98.4MB in the end (delta: 4.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1748.75ms. Allocated memory is still 163.6MB. Free memory was 97.5MB in the beginning and 113.7MB in the end (delta: -16.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 163.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 16; [L25] unsigned char var_1_6 = 16; [L26] signed short int var_1_7 = -8; [L27] signed char var_1_9 = 0; [L28] signed char var_1_10 = -4; [L29] double var_1_11 = 2.25; [L30] double var_1_12 = 199.3; [L31] double var_1_13 = 7.2; [L32] unsigned long int var_1_14 = 10; [L33] signed short int var_1_15 = -4; [L34] unsigned char var_1_16 = 0; [L35] signed short int var_1_19 = 256; [L36] unsigned char var_1_20 = 0; [L37] signed long int var_1_21 = -1; [L38] unsigned char var_1_22 = 0; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 0; [L41] unsigned short int var_1_25 = 100; [L42] double var_1_26 = 15.125; [L43] double var_1_27 = 2.3; [L44] double var_1_28 = 999.25; [L45] double var_1_29 = 1.75; [L46] unsigned short int var_1_30 = 43183; [L47] unsigned long int var_1_31 = 100000; [L48] double var_1_32 = 7.4; [L49] double var_1_33 = 31.125; [L50] signed short int var_1_34 = -128; [L51] signed char var_1_35 = -1; [L52] signed char last_1_var_1_9 = 0; [L53] signed short int last_1_var_1_19 = 256; [L54] unsigned long int last_1_var_1_31 = 100000; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L172] last_1_var_1_9 = var_1_9 [L173] last_1_var_1_19 = var_1_19 [L174] last_1_var_1_31 = var_1_31 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L130] var_1_4 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L133] var_1_5 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_6=16, var_1_7=-8, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=16, var_1_7=-8, var_1_9=0] [L136] var_1_6 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_7=-8, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L142] var_1_12 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L144] var_1_13 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L149] var_1_23 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L152] var_1_24 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L155] var_1_26 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L157] var_1_27 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L159] var_1_28 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L161] var_1_29 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_29 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_29 != 0.0F) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L164] var_1_30 = __VERIFIER_nondet_ushort() [L165] CALL assume_abort_if_not(var_1_30 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_30 >= 32767) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L166] CALL assume_abort_if_not(var_1_30 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_30 <= 65534) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L167] var_1_33 = __VERIFIER_nondet_double() [L168] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_33 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_33 != 0.0F) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=-8, var_1_9=0] [L185] RET updateVariables() [L186] CALL step() [L58] signed long int stepLocal_0 = last_1_var_1_19; [L59] COND TRUE last_1_var_1_31 != stepLocal_0 [L60] var_1_1 = (var_1_4 - var_1_5) [L64] var_1_34 = var_1_1 [L65] var_1_14 = ((((((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) > (var_1_1)) ? (((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) : (var_1_1))) [L66] unsigned char stepLocal_4 = var_1_28 == (var_1_27 + var_1_29); [L67] COND FALSE !((var_1_1 > var_1_30) && stepLocal_4) [L70] COND TRUE (var_1_29 / var_1_33) <= (- (var_1_12 + 10.1)) [L71] var_1_32 = var_1_26 [L76] var_1_7 = ((((((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) < 0 ) ? -(((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) : (((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1))) [L77] COND TRUE ((var_1_10 / var_1_4) / 1) <= var_1_1 [L78] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L80] var_1_35 = var_1_10 [L81] COND TRUE var_1_10 == var_1_34 [L82] var_1_20 = (var_1_6 + var_1_5) [L84] unsigned char stepLocal_3 = var_1_13 < (var_1_32 * var_1_12); [L85] COND TRUE stepLocal_3 && var_1_16 [L86] var_1_22 = (var_1_23 && var_1_24) [L88] unsigned long int stepLocal_2 = var_1_14 - var_1_5; [L89] unsigned long int stepLocal_1 = (((var_1_14) < ((var_1_5 / var_1_4))) ? (var_1_14) : ((var_1_5 / var_1_4))); [L90] COND FALSE !(stepLocal_1 < (last_1_var_1_9 * (var_1_6 + var_1_20))) [L95] var_1_9 = var_1_10 [L97] COND TRUE \read(var_1_22) [L98] COND TRUE \read(var_1_22) [L99] var_1_15 = ((((((((var_1_9) > (1000)) ? (var_1_9) : (1000))) < 0 ) ? -((((var_1_9) > (1000)) ? (var_1_9) : (1000))) : ((((var_1_9) > (1000)) ? (var_1_9) : (1000))))) + var_1_4) [L104] COND TRUE \read(var_1_22) [L105] COND FALSE !(var_1_20 > var_1_15) [L108] COND FALSE !(var_1_15 < var_1_4) [L111] var_1_19 = var_1_5 [L115] COND FALSE !(! var_1_24) [L118] var_1_21 = (var_1_6 - ((((var_1_5) > (var_1_20)) ? (var_1_5) : (var_1_20)))) [L119] COND TRUE var_1_13 <= ((var_1_26 + 128.65) - ((((var_1_27) > (var_1_28)) ? (var_1_27) : (var_1_28)))) [L120] COND TRUE (var_1_13 / var_1_29) < var_1_28 [L121] var_1_25 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return (((((((((((((((last_1_var_1_31 != last_1_var_1_19) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (((((50) > (var_1_5)) ? (50) : (var_1_5))) + var_1_6)))) && (var_1_7 == ((signed short int) ((((((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) < 0 ) ? -(((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) : (((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1)))))) && ((((((var_1_14) < ((var_1_5 / var_1_4))) ? (var_1_14) : ((var_1_5 / var_1_4)))) < (last_1_var_1_9 * (var_1_6 + var_1_20))) ? ((var_1_20 < (var_1_14 - var_1_5)) ? (var_1_9 == ((signed char) var_1_10)) : 1) : (var_1_9 == ((signed char) var_1_10)))) && ((((var_1_10 / var_1_4) / 1) <= var_1_1) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (var_1_14 == ((unsigned long int) ((((((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) > (var_1_1)) ? (((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) : (var_1_1)))))) && (var_1_22 ? (var_1_22 ? (var_1_15 == ((signed short int) ((((((((var_1_9) > (1000)) ? (var_1_9) : (1000))) < 0 ) ? -((((var_1_9) > (1000)) ? (var_1_9) : (1000))) : ((((var_1_9) > (1000)) ? (var_1_9) : (1000))))) + var_1_4))) : (var_1_15 == ((signed short int) ((((var_1_5) < (var_1_9)) ? (var_1_5) : (var_1_9)))))) : 1)) && (var_1_22 ? ((var_1_20 > var_1_15) ? (var_1_19 == ((signed short int) (var_1_34 + var_1_10))) : ((var_1_15 < var_1_4) ? (var_1_19 == ((signed short int) var_1_4)) : (var_1_19 == ((signed short int) var_1_5)))) : 1)) && ((var_1_10 == var_1_34) ? (var_1_20 == ((unsigned char) (var_1_6 + var_1_5))) : 1)) && (var_1_21 == ((signed long int) (var_1_6 - ((((var_1_5) > (var_1_20)) ? (var_1_5) : (var_1_20))))))) && (((var_1_13 < (var_1_32 * var_1_12)) && var_1_16) ? (var_1_22 == ((unsigned char) (var_1_23 && var_1_24))) : 1)) && ((var_1_13 <= ((var_1_26 + 128.65) - ((((var_1_27) > (var_1_28)) ? (var_1_27) : (var_1_28))))) ? (((var_1_13 / var_1_29) < var_1_28) ? (var_1_25 == ((unsigned short int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_25 == ((unsigned short int) (((((var_1_14 + var_1_20)) < (((((var_1_20) > (var_1_5)) ? (var_1_20) : (var_1_5))))) ? ((var_1_14 + var_1_20)) : (((((var_1_20) > (var_1_5)) ? (var_1_20) : (var_1_5))))))))) : (var_1_25 == ((unsigned short int) (var_1_30 - ((((var_1_20) > (128)) ? (var_1_20) : (128)))))))) && ((! var_1_24) ? (var_1_31 == ((unsigned long int) (var_1_34 + ((((var_1_20) < (var_1_6)) ? (var_1_20) : (var_1_6)))))) : 1)) && (((var_1_1 > var_1_30) && (var_1_28 == (var_1_27 + var_1_29))) ? (var_1_32 == ((double) ((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) : (((var_1_29 / var_1_33) <= (- (var_1_12 + 10.1))) ? (var_1_32 == ((double) var_1_26)) : (var_1_32 == ((double) var_1_26))))) && (var_1_34 == ((signed short int) var_1_1))) && (var_1_35 == ((signed char) var_1_10)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=126, var_1_15=1190, var_1_16=1, var_1_19=64, var_1_1=126, var_1_20=189, var_1_21=-64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=190, var_1_26=2, var_1_30=32767, var_1_31=100000, var_1_32=2, var_1_34=126, var_1_35=126, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=1, var_1_9=126] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=126, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=126, var_1_15=1190, var_1_16=1, var_1_19=64, var_1_1=126, var_1_20=189, var_1_21=-64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=190, var_1_26=2, var_1_30=32767, var_1_31=100000, var_1_32=2, var_1_34=126, var_1_35=126, var_1_4=190, var_1_5=64, var_1_6=125, var_1_7=1, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 25, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 18:19:32,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/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 ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:19:34,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:19:34,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:19:34,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:19:34,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:19:34,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:19:34,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:19:34,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:19:34,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:19:34,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:19:34,876 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:19:34,877 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:19:34,878 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:19:34,878 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:19:34,879 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:19:34,880 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:19:34,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:19:34,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:19:34,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:19:34,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:19:34,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:19:34,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:19:34,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:19:34,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:19:34,885 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:19:34,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:19:34,886 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:19:34,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:19:34,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:19:34,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:19:34,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:19:34,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:19:34,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:19:34,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:19:34,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:19:34,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:19:34,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:19:34,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:19:34,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:19:34,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:19:34,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:19:34,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:19:34,892 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:19:34,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:19:34,892 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_65033343-e988-4126-ba2d-c7a229406c06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 [2023-12-02 18:19:35,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:19:35,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:19:35,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:19:35,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:19:35,239 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:19:35,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:38,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:19:38,354 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:19:38,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:38,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/e55612838/b16cc269155b4089b1966523a299dc32/FLAGdf951ef79 [2023-12-02 18:19:38,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/data/e55612838/b16cc269155b4089b1966523a299dc32 [2023-12-02 18:19:38,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:19:38,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:19:38,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:19:38,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:19:38,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:19:38,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19467ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38, skipping insertion in model container [2023-12-02 18:19:38,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:19:38,601 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_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-12-02 18:19:38,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:19:38,724 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:19:38,740 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_65033343-e988-4126-ba2d-c7a229406c06/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-12-02 18:19:38,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:19:38,819 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:19:38,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38 WrapperNode [2023-12-02 18:19:38,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:19:38,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:19:38,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:19:38,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:19:38,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,890 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-12-02 18:19:38,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:19:38,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:19:38,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:19:38,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:19:38,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:19:38,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:19:38,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:19:38,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:19:38,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (1/1) ... [2023-12-02 18:19:38,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:19:38,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:19:39,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:19:39,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:19:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:19:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:19:39,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:19:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:19:39,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:19:39,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:19:39,158 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:19:39,161 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:19:55,196 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:19:55,254 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:19:55,255 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:19:55,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:55 BoogieIcfgContainer [2023-12-02 18:19:55,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:19:55,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:19:55,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:19:55,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:19:55,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:19:38" (1/3) ... [2023-12-02 18:19:55,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50632e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:19:55, skipping insertion in model container [2023-12-02 18:19:55,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:19:38" (2/3) ... [2023-12-02 18:19:55,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50632e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:19:55, skipping insertion in model container [2023-12-02 18:19:55,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:19:55" (3/3) ... [2023-12-02 18:19:55,266 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-91.i [2023-12-02 18:19:55,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:19:55,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:19:55,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:19:55,338 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;@661fb40c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:19:55,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:19:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:19:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:19:55,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:19:55,359 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:55,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:19:55,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:19:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1265559604, now seen corresponding path program 1 times [2023-12-02 18:19:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:19:55,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126381586] [2023-12-02 18:19:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:19:55,390 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 18:19:55,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:19:55,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:19:55,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:19:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:19:56,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:19:57,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:19:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-12-02 18:19:57,048 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:19:57,049 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:19:57,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126381586] [2023-12-02 18:19:57,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126381586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:19:57,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:19:57,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:19:57,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375722960] [2023-12-02 18:19:57,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:19:57,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:19:57,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:19:57,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:19:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:19:57,092 INFO L87 Difference]: Start difference. First operand has 75 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:20:00,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:00,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:00,301 INFO L93 Difference]: Finished difference Result 147 states and 259 transitions. [2023-12-02 18:20:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:20:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-12-02 18:20:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:00,616 INFO L225 Difference]: With dead ends: 147 [2023-12-02 18:20:00,616 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 18:20:00,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 18:20:00,622 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:00,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 18:20:00,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 18:20:00,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-02 18:20:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:20:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-12-02 18:20:00,673 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 161 [2023-12-02 18:20:00,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:00,674 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-12-02 18:20:00,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:20:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-12-02 18:20:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:20:00,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:00,679 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:00,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:00,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:00,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:00,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash -982126838, now seen corresponding path program 1 times [2023-12-02 18:20:00,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:20:00,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429784385] [2023-12-02 18:20:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:00,883 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 18:20:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:20:00,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:00,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:02,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:20:02,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-12-02 18:20:02,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:03,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:20:03,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429784385] [2023-12-02 18:20:03,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429784385] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:20:03,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [862130750] [2023-12-02 18:20:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:03,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:20:03,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:20:03,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:20:03,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 18:20:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:06,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:20:06,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-12-02 18:20:06,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:06,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [862130750] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:20:06,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508845156] [2023-12-02 18:20:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:06,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:20:06,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:20:06,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:20:06,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:20:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:08,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:20:08,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-12-02 18:20:08,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:09,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508845156] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:20:09,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:20:09,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-12-02 18:20:09,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984116213] [2023-12-02 18:20:09,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:20:09,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:20:09,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:20:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:20:09,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:20:09,058 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:20:12,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:15,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:17,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:19,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:20:19,642 INFO L93 Difference]: Finished difference Result 151 states and 230 transitions. [2023-12-02 18:20:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:20:19,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-12-02 18:20:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:20:19,951 INFO L225 Difference]: With dead ends: 151 [2023-12-02 18:20:19,951 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 18:20:19,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:20:19,954 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 79 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:20:19,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 191 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 18:20:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 18:20:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2023-12-02 18:20:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:20:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-12-02 18:20:19,975 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 161 [2023-12-02 18:20:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:20:19,977 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-12-02 18:20:19,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:20:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-12-02 18:20:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:20:19,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:20:19,981 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:20,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:20,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:20:20,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 18:20:20,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:20:20,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:20:20,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:20:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash 375952993, now seen corresponding path program 1 times [2023-12-02 18:20:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:20:20,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056387775] [2023-12-02 18:20:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:20,585 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 18:20:20,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:20:20,586 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:20:20,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 (6)] Waiting until timeout for monitored process [2023-12-02 18:20:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:22,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:20:22,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 680 proven. 63 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2023-12-02 18:20:25,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 75 proven. 66 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-12-02 18:20:28,116 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:20:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056387775] [2023-12-02 18:20:28,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056387775] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:20:28,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1321392709] [2023-12-02 18:20:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:20:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:20:28,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:20:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 18:20:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:32,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:20:32,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-12-02 18:20:33,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-12-02 18:20:34,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1321392709] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:20:34,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601208645] [2023-12-02 18:20:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:20:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:20:34,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:20:34,523 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:20:34,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 18:20:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:20:37,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:20:37,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:20:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-12-02 18:20:38,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:20:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-12-02 18:20:39,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601208645] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:20:39,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 18:20:39,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 5, 5, 5, 5] total 17 [2023-12-02 18:20:39,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975724080] [2023-12-02 18:20:39,458 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 18:20:39,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 18:20:39,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:20:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 18:20:39,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2023-12-02 18:20:39,463 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 4 states have call successors, (59), 4 states have call predecessors, (59), 9 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-02 18:20:45,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:47,935 WARN L539 Checker$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 18:20:49,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:51,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:53,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:55,976 WARN L539 Checker$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 18:20:57,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:20:59,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:01,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:03,996 WARN L539 Checker$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 18:21:06,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:08,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:10,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:12,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:14,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:16,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:18,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:20,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:21:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:26,722 INFO L93 Difference]: Finished difference Result 363 states and 519 transitions. [2023-12-02 18:21:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 18:21:26,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 4 states have call successors, (59), 4 states have call predecessors, (59), 9 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 162 [2023-12-02 18:21:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:26,728 INFO L225 Difference]: With dead ends: 363 [2023-12-02 18:21:26,728 INFO L226 Difference]: Without dead ends: 287 [2023-12-02 18:21:26,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 950 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=551, Invalid=1429, Unknown=0, NotChecked=0, Total=1980 [2023-12-02 18:21:26,730 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 384 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 332 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:26,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 746 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 789 Invalid, 18 Unknown, 0 Unchecked, 44.6s Time] [2023-12-02 18:21:26,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-12-02 18:21:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 190. [2023-12-02 18:21:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 116 states have (on average 1.206896551724138) internal successors, (140), 117 states have internal predecessors, (140), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-02 18:21:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 268 transitions. [2023-12-02 18:21:26,782 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 268 transitions. Word has length 162 [2023-12-02 18:21:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:26,783 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 268 transitions. [2023-12-02 18:21:26,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 17 states have internal predecessors, (92), 4 states have call successors, (59), 4 states have call predecessors, (59), 9 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-12-02 18:21:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 268 transitions. [2023-12-02 18:21:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:21:26,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:26,787 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:26,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 18:21:27,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 (6)] Ended with exit code 0 [2023-12-02 18:21:27,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 18:21:27,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:21:27,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:27,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1134275873, now seen corresponding path program 1 times [2023-12-02 18:21:27,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:27,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355305576] [2023-12-02 18:21:27,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:27,396 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 18:21:27,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:27,398 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:21:27,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:21:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:29,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:21:29,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:21:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-02 18:21:32,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:21:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 18:21:34,356 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:21:34,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355305576] [2023-12-02 18:21:34,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355305576] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 18:21:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:21:34,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 18:21:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160846308] [2023-12-02 18:21:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:21:34,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:21:34,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:21:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:21:34,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:21:34,360 INFO L87 Difference]: Start difference. First operand 190 states and 268 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 18:21:39,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:43,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:46,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:48,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:51,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:53,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 18:21:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:21:53,878 INFO L93 Difference]: Finished difference Result 422 states and 591 transitions. [2023-12-02 18:21:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:21:53,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 162 [2023-12-02 18:21:53,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:21:53,887 INFO L225 Difference]: With dead ends: 422 [2023-12-02 18:21:53,888 INFO L226 Difference]: Without dead ends: 259 [2023-12-02 18:21:53,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:21:53,889 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 111 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:21:53,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 236 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 6 Unknown, 0 Unchecked, 19.0s Time] [2023-12-02 18:21:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2023-12-02 18:21:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2023-12-02 18:21:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 169 states have internal predecessors, (206), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-02 18:21:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 358 transitions. [2023-12-02 18:21:53,933 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 358 transitions. Word has length 162 [2023-12-02 18:21:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:21:53,934 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 358 transitions. [2023-12-02 18:21:53,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 18:21:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 358 transitions. [2023-12-02 18:21:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:21:53,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:21:53,937 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:53,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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)] Forceful destruction successful, exit code 0 [2023-12-02 18:21:54,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:21:54,138 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:21:54,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:21:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash 547469859, now seen corresponding path program 1 times [2023-12-02 18:21:54,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:21:54,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689767883] [2023-12-02 18:21:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:21:54,139 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 18:21:54,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:21:54,140 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:21:54,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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)] Waiting until timeout for monitored process [2023-12-02 18:21:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:21:56,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 18:21:56,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 470 proven. 120 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 18:22:00,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:22:01,809 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:22:01,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689767883] [2023-12-02 18:22:01,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689767883] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:22:01,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1371500591] [2023-12-02 18:22:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:22:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:22:01,811 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:22:01,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 18:22:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:08,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:22:08,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 470 proven. 120 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 18:22:12,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:22:12,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1371500591] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:22:12,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225180583] [2023-12-02 18:22:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:12,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:22:12,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:22:12,952 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:22:12,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 18:22:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:15,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 18:22:15,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:22:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 470 proven. 120 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 18:22:19,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:22:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225180583] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:22:20,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 18:22:20,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-12-02 18:22:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681254170] [2023-12-02 18:22:20,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 18:22:20,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 18:22:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:22:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 18:22:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:22:20,557 INFO L87 Difference]: Start difference. First operand 255 states and 358 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-02 18:22:26,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:28,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:32,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:34,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:38,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:40,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:42,163 WARN L539 Checker$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 18:22:44,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:46,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:22:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:22:46,212 INFO L93 Difference]: Finished difference Result 523 states and 709 transitions. [2023-12-02 18:22:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 18:22:46,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 162 [2023-12-02 18:22:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:22:46,547 INFO L225 Difference]: With dead ends: 523 [2023-12-02 18:22:46,547 INFO L226 Difference]: Without dead ends: 299 [2023-12-02 18:22:46,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-12-02 18:22:46,549 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 40 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:22:46,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 197 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 269 Invalid, 10 Unknown, 0 Unchecked, 25.2s Time] [2023-12-02 18:22:46,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-12-02 18:22:46,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 283. [2023-12-02 18:22:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 186 states have (on average 1.2043010752688172) internal successors, (224), 189 states have internal predecessors, (224), 76 states have call successors, (76), 20 states have call predecessors, (76), 20 states have return successors, (76), 73 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-02 18:22:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2023-12-02 18:22:46,588 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 162 [2023-12-02 18:22:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:22:46,589 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2023-12-02 18:22:46,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-02 18:22:46,589 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2023-12-02 18:22:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:22:46,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:22:46,592 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:46,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 18:22:46,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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)] Ended with exit code 0 [2023-12-02 18:22:47,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 18:22:47,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:22:47,194 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:22:47,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:22:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1880827745, now seen corresponding path program 1 times [2023-12-02 18:22:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:22:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194547592] [2023-12-02 18:22:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:22:47,196 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 18:22:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:22:47,198 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 18:22:47,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65033343-e988-4126-ba2d-c7a229406c06/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 (13)] Waiting until timeout for monitored process [2023-12-02 18:22:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:22:49,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 18:22:49,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:13,937 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse4 ((_ zero_extend 24) c_~var_1_1~0)) (.cse2 ((_ zero_extend 24) c_~var_1_6~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (let ((.cse0 (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0)))) (or (and (not .cse0) (= |c_ULTIMATE.start_step_~stepLocal_3~0#1| (_ bv0 8))) (and .cse0 (= (_ bv1 8) |c_ULTIMATE.start_step_~stepLocal_3~0#1|)))) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse1))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= .cse2 c_~var_1_14~0) .cse3) (and (not .cse3) (= c_~var_1_14~0 .cse4)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse5 (bvadd .cse2 (bvneg .cse4)))) (let ((.cse6 (bvslt .cse5 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse5)) c_~var_1_7~0) .cse6) (and (not .cse6) (= ((_ extract 15 0) .cse5) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse2 .cse1))) (fp.geq c_~var_1_26~0 .cse7) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (let ((.cse8 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse8 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse8) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse7) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))))))))) is different from false [2023-12-02 18:25:15,976 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse4 ((_ zero_extend 24) c_~var_1_1~0)) (.cse2 ((_ zero_extend 24) c_~var_1_6~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (let ((.cse0 (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0)))) (or (and (not .cse0) (= |c_ULTIMATE.start_step_~stepLocal_3~0#1| (_ bv0 8))) (and .cse0 (= (_ bv1 8) |c_ULTIMATE.start_step_~stepLocal_3~0#1|)))) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse1))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse3 (bvsgt .cse2 .cse4))) (or (and (= .cse2 c_~var_1_14~0) .cse3) (and (not .cse3) (= c_~var_1_14~0 .cse4)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse5 (bvadd .cse2 (bvneg .cse4)))) (let ((.cse6 (bvslt .cse5 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse5)) c_~var_1_7~0) .cse6) (and (not .cse6) (= ((_ extract 15 0) .cse5) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse2 .cse1))) (fp.geq c_~var_1_26~0 .cse7) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (let ((.cse8 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse8 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse8) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse7) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))))))))) is different from true [2023-12-02 18:26:20,785 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse0 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse0))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse2 (bvsgt .cse1 .cse3))) (or (and (= .cse1 c_~var_1_14~0) .cse2) (and (not .cse2) (= c_~var_1_14~0 .cse3)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse4 (bvadd .cse1 (bvneg .cse3)))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse4)) c_~var_1_7~0) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse4) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse1 .cse0))) (fp.geq c_~var_1_26~0 .cse6) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (or (not (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0))) (= c_~var_1_16~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse7 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse6) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))))))))) is different from false [2023-12-02 18:26:22,827 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse0 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse0))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse2 (bvsgt .cse1 .cse3))) (or (and (= .cse1 c_~var_1_14~0) .cse2) (and (not .cse2) (= c_~var_1_14~0 .cse3)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse4 (bvadd .cse1 (bvneg .cse3)))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse4)) c_~var_1_7~0) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse4) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse1 .cse0))) (fp.geq c_~var_1_26~0 .cse6) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (or (not (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0))) (= c_~var_1_16~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse7 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse6) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))))))))) is different from true [2023-12-02 18:29:33,839 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse0 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse0))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse2 (bvsgt .cse1 .cse3))) (or (and (= .cse1 c_~var_1_14~0) .cse2) (and (not .cse2) (= c_~var_1_14~0 .cse3)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse4 (bvadd .cse1 (bvneg .cse3)))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse4)) c_~var_1_7~0) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse4) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse1 .cse0))) (fp.geq c_~var_1_26~0 .cse6) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (or (not (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0))) (= c_~var_1_16~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (= c_~var_1_10~0 c_~var_1_9~0) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse7 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse6) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))))))))) is different from false [2023-12-02 18:29:35,879 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse0 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode .cse9))) (and (= c_~var_1_32~0 c_~var_1_26~0) (= c_~last_1_var_1_31~0 (_ bv100000 32)) (= c_~var_1_10~0 c_~var_1_35~0) (fp.leq c_~var_1_26~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427387900.0))) (= (_ bv256 16) c_~last_1_var_1_19~0) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg .cse0))) c_~var_1_1~0) (= (_ bv0 8) c_~last_1_var_1_9~0) (let ((.cse2 (bvsgt .cse1 .cse3))) (or (and (= .cse1 c_~var_1_14~0) .cse2) (and (not .cse2) (= c_~var_1_14~0 .cse3)))) (= c_~var_1_22~0 (_ bv0 8)) (let ((.cse4 (bvadd .cse1 (bvneg .cse3)))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvneg .cse4)) c_~var_1_7~0) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse4) c_~var_1_7~0))))) (bvsge ((_ zero_extend 16) c_~var_1_30~0) (_ bv32767 32)) (bvsge ((_ zero_extend 24) c_~var_1_24~0) (_ bv1 32)) (= c_~var_1_20~0 ((_ extract 7 0) (bvadd .cse1 .cse0))) (fp.geq c_~var_1_26~0 .cse6) (= (_ bv100000 32) c_~var_1_31~0) (= (_ bv256 16) c_~var_1_19~0) (or (not (fp.lt c_~var_1_13~0 (fp.mul c_currentRoundingMode c_~var_1_32~0 c_~var_1_12~0))) (= c_~var_1_16~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_1~0) c_~var_1_34~0) (= c_~var_1_10~0 c_~var_1_9~0) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0))) (or (and .cse7 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse7) (= c_~var_1_11~0 c_~var_1_13~0)))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 .cse6) (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (fp.geq c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))))))))) is different from true