./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje --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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:26:20,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:26:20,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:26:20,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:26:20,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:26:20,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:26:20,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:26:20,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:26:20,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:26:20,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:26:20,795 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:26:20,796 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:26:20,796 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:26:20,797 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:26:20,797 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:26:20,798 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:26:20,798 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:26:20,798 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:26:20,799 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:26:20,799 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:26:20,800 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:26:20,804 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:26:20,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:26:20,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:26:20,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:26:20,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:26:20,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:26:20,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:26:20,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:26:20,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:26:20,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:26:20,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:26:20,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:26:20,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:26:20,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:26:20,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:26:20,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:26:20,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:26:20,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:20,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:26:20,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:26:20,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:26:20,817 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:26:20,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:26:20,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:26:20,819 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:26:20,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:26:20,819 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_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-11-09 07:26:21,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:26:21,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:26:21,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:26:21,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:26:21,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:26:21,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i Unable to find full path for "g++" [2024-11-09 07:26:23,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:26:23,514 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:26:23,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-09 07:26:23,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/d2e8e8f7e/39b4cffe97754a0b922bd4d207c2e970/FLAG8bccf1d3a [2024-11-09 07:26:23,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/d2e8e8f7e/39b4cffe97754a0b922bd4d207c2e970 [2024-11-09 07:26:23,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:26:23,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:26:23,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:23,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:26:23,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:26:23,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff080a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23, skipping insertion in model container [2024-11-09 07:26:23,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:26:23,756 WARN L250 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_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-09 07:26:23,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:23,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:26:23,840 WARN L250 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_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-09 07:26:23,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:23,884 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:26:23,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23 WrapperNode [2024-11-09 07:26:23,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:23,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:23,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:26:23,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:26:23,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,929 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-11-09 07:26:23,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:23,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:26:23,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:26:23,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:26:23,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:26:23,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:26:23,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:26:23,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:26:23,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (1/1) ... [2024-11-09 07:26:23,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:26:24,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:26:24,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:26:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:26:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:26:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:26:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:26:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:26:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:26:24,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:26:24,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:26:24,483 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 07:26:24,484 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:26:24,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:26:24,764 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:26:24,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:24 BoogieIcfgContainer [2024-11-09 07:26:24,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:26:24,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:26:24,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:26:24,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:26:24,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:26:23" (1/3) ... [2024-11-09 07:26:24,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a3c27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:24, skipping insertion in model container [2024-11-09 07:26:24,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:23" (2/3) ... [2024-11-09 07:26:24,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a3c27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:24, skipping insertion in model container [2024-11-09 07:26:24,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:24" (3/3) ... [2024-11-09 07:26:24,780 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-09 07:26:24,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:26:24,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:26:24,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:26:24,884 INFO L333 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, 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;@7f6e3264, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:26:24,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:26:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:26:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 07:26:24,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:26:24,901 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:26:24,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:26:24,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:26:24,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1706984235, now seen corresponding path program 1 times [2024-11-09 07:26:24,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:26:24,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784715402] [2024-11-09 07:26:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:26:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:26:25,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868587198] [2024-11-09 07:26:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:25,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:26:25,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:26:25,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:26:25,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:26:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:26:25,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:26:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:26:25,879 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:26:25,882 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:26:25,883 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:26:25,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:26:26,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:26:26,091 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:26:26,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:26:26,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:26:26 BoogieIcfgContainer [2024-11-09 07:26:26,211 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:26:26,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:26:26,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:26:26,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:26:26,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:24" (3/4) ... [2024-11-09 07:26:26,218 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:26:26,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:26:26,222 INFO L158 Benchmark]: Toolchain (without parser) took 2677.92ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 118.7MB in the beginning and 138.2MB in the end (delta: -19.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,222 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:26:26,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.03ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 104.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.01ms. Allocated memory is still 151.0MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,225 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,226 INFO L158 Benchmark]: RCFGBuilder took 794.05ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 65.9MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,227 INFO L158 Benchmark]: TraceAbstraction took 1441.45ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 65.0MB in the beginning and 139.2MB in the end (delta: -74.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:26:26,227 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 203.4MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:26:26,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.03ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 104.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.01ms. Allocated memory is still 151.0MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 794.05ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 65.9MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1441.45ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 65.0MB in the beginning and 139.2MB in the end (delta: -74.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 203.4MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of shiftLeft at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] signed long int var_1_10 = 25; [L31] signed long int var_1_11 = 256; [L32] signed long int var_1_12 = 0; [L33] signed long int var_1_13 = 31; [L34] signed long int var_1_14 = 256; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=1, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=1, var_1_1=-4, var_1_3=8, var_1_4=16383, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L110] RET updateVariables() [L111] CALL step() [L40] signed short int stepLocal_0 = var_1_3; [L41] COND TRUE stepLocal_0 > ((var_1_4 / -256) * 32) [L42] COND TRUE \read(var_1_6) [L43] var_1_5 = (! (var_1_7 && var_1_8)) [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) [L53] COND FALSE !(var_1_10 < 63.75) [L56] var_1_1 = (4 + var_1_4) [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) [L102-L103] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=1, var_1_1=16387, var_1_3=8, var_1_4=16383, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2147483647, var_1_13=2147483647, var_1_14=0, var_1_15=8, var_1_16=1, var_1_1=16387, var_1_3=8, var_1_4=16383, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 22, 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=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 07:26:26,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje --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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:26:28,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:26:28,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:26:28,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:26:28,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:26:28,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:26:28,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:26:28,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:26:28,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:26:28,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:26:28,917 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:26:28,917 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:26:28,918 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:26:28,918 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:26:28,918 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:26:28,919 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:26:28,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:26:28,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:26:28,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:26:28,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:26:28,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:26:28,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:26:28,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:26:28,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:26:28,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:26:28,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:26:28,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:26:28,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:26:28,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:26:28,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:26:28,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:26:28,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:26:28,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:26:28,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:26:28,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:26:28,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:28,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:26:28,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:26:28,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:26:28,932 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:26:28,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:26:28,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:26:28,944 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:26:28,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2024-11-09 07:26:29,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:26:29,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:26:29,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:26:29,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:26:29,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:26:29,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i Unable to find full path for "g++" [2024-11-09 07:26:31,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:26:31,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:26:31,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-09 07:26:31,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/e3050ec2e/835ceeec78374876babf8ba80c27cc72/FLAGb7c488f77 [2024-11-09 07:26:31,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/data/e3050ec2e/835ceeec78374876babf8ba80c27cc72 [2024-11-09 07:26:31,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:26:31,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:26:31,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:31,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:26:31,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:26:31,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:31" (1/1) ... [2024-11-09 07:26:31,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1615b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:31, skipping insertion in model container [2024-11-09 07:26:31,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:26:31" (1/1) ... [2024-11-09 07:26:31,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:26:32,139 WARN L250 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_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-09 07:26:32,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:32,224 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:26:32,254 WARN L250 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_b226897e-d6fe-488b-8a59-90f955ce1667/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i[916,929] [2024-11-09 07:26:32,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:26:32,304 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:26:32,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32 WrapperNode [2024-11-09 07:26:32,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:26:32,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:32,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:26:32,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:26:32,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,350 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-09 07:26:32,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:26:32,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:26:32,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:26:32,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:26:32,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:26:32,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:26:32,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:26:32,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:26:32,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (1/1) ... [2024-11-09 07:26:32,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:26:32,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:26:32,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:26:32,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:26:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:26:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:26:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:26:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:26:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:26:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:26:32,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:26:32,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:26:39,576 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 07:26:39,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:26:39,589 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:26:39,589 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:26:39,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:39 BoogieIcfgContainer [2024-11-09 07:26:39,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:26:39,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:26:39,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:26:39,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:26:39,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:26:31" (1/3) ... [2024-11-09 07:26:39,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f10b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:39, skipping insertion in model container [2024-11-09 07:26:39,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:26:32" (2/3) ... [2024-11-09 07:26:39,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f10b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:26:39, skipping insertion in model container [2024-11-09 07:26:39,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:26:39" (3/3) ... [2024-11-09 07:26:39,599 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2024-11-09 07:26:39,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:26:39,614 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:26:39,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:26:39,688 INFO L333 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, 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;@58fc0558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:26:39,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:26:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:26:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 07:26:39,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:26:39,707 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:26:39,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:26:39,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:26:39,714 INFO L85 PathProgramCache]: Analyzing trace with hash 63965426, now seen corresponding path program 1 times [2024-11-09 07:26:39,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:26:39,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732615163] [2024-11-09 07:26:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:39,738 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 [2024-11-09 07:26:39,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:26:39,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:26:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:26:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:26:40,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:26:40,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:26:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-09 07:26:40,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:26:40,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:26:40,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732615163] [2024-11-09 07:26:40,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732615163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:26:40,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:26:40,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:26:40,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105549533] [2024-11-09 07:26:40,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:26:40,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:26:40,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:26:40,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:26:40,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:26:40,766 INFO L87 Difference]: Start difference. First operand has 58 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:26:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:26:40,797 INFO L93 Difference]: Finished difference Result 109 states and 192 transitions. [2024-11-09 07:26:40,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:26:40,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-09 07:26:40,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:26:40,808 INFO L225 Difference]: With dead ends: 109 [2024-11-09 07:26:40,809 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 07:26:40,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:26:40,817 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:26:40,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:26:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 07:26:40,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 07:26:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 07:26:40,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2024-11-09 07:26:40,868 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 134 [2024-11-09 07:26:40,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:26:40,869 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2024-11-09 07:26:40,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 07:26:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2024-11-09 07:26:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 07:26:40,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:26:40,874 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:26:40,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:26:41,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:26:41,075 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:26:41,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:26:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash -479942734, now seen corresponding path program 1 times [2024-11-09 07:26:41,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:26:41,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049546921] [2024-11-09 07:26:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:41,078 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 [2024-11-09 07:26:41,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:26:41,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:26:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:26:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:26:41,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:26:41,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:26:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-09 07:26:43,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:26:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:26:45,692 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:26:45,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049546921] [2024-11-09 07:26:45,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049546921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:26:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131698076] [2024-11-09 07:26:45,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:45,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 07:26:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 07:26:45,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 07:26:45,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 07:26:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:26:46,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 07:26:46,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:26:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-09 07:26:48,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:26:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:26:49,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2131698076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:26:49,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982153043] [2024-11-09 07:26:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:26:49,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:26:49,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:26:49,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:26:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 07:26:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:26:50,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 07:26:50,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:26:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 393 proven. 45 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-09 07:26:51,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:26:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-09 07:26:53,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982153043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 07:26:53,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 07:26:53,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 07:26:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445088739] [2024-11-09 07:26:53,350 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 07:26:53,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:26:53,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:26:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:26:53,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:26:53,355 INFO L87 Difference]: Start difference. First operand 54 states and 81 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-09 07:26:57,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:26:59,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:27:01,235 WARN L539 Checker$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 [] [2024-11-09 07:27:01,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:27:01,618 INFO L93 Difference]: Finished difference Result 124 states and 183 transitions. [2024-11-09 07:27:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 07:27:01,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 134 [2024-11-09 07:27:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:27:01,622 INFO L225 Difference]: With dead ends: 124 [2024-11-09 07:27:01,622 INFO L226 Difference]: Without dead ends: 73 [2024-11-09 07:27:01,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 790 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 07:27:01,625 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 28 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:27:01,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2024-11-09 07:27:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-09 07:27:01,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2024-11-09 07:27:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 07:27:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2024-11-09 07:27:01,651 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 134 [2024-11-09 07:27:01,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:27:01,652 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2024-11-09 07:27:01,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-09 07:27:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-11-09 07:27:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 07:27:01,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:27:01,656 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:27:01,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 07:27:01,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 07:27:02,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 07:27:02,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 07:27:02,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:27:02,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:27:02,258 INFO L85 PathProgramCache]: Analyzing trace with hash 2040017200, now seen corresponding path program 1 times [2024-11-09 07:27:02,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:27:02,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502606176] [2024-11-09 07:27:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:27:02,259 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 [2024-11-09 07:27:02,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:27:02,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:27:02,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b226897e-d6fe-488b-8a59-90f955ce1667/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:27:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:27:02,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 07:27:02,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:28:00,080 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_3~0))) (and (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 4.0))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (_ bv10 32) (bvneg .cse0)))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1017.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0))) (bvsge .cse0 (_ bv0 32)) (= c_~var_1_5~0 c_~var_1_9~0) (not (bvsgt .cse0 (bvmul (_ bv32 32) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4294967040 32))))) (let ((.cse1 (bvadd c_~var_1_12~0 (bvneg c_~var_1_13~0)))) (let ((.cse2 (bvsgt .cse1 c_~var_1_14~0))) (or (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg .cse1))) .cse2) (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg c_~var_1_14~0))) (not .cse2))))))) is different from false [2024-11-09 07:28:02,165 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) c_~var_1_3~0))) (and (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_10~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 4.0))) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd (_ bv10 32) (bvneg .cse0)))) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1017.0 8.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0))) (bvsge .cse0 (_ bv0 32)) (= c_~var_1_5~0 c_~var_1_9~0) (not (bvsgt .cse0 (bvmul (_ bv32 32) (bvsdiv ((_ sign_extend 16) c_~var_1_4~0) (_ bv4294967040 32))))) (let ((.cse1 (bvadd c_~var_1_12~0 (bvneg c_~var_1_13~0)))) (let ((.cse2 (bvsgt .cse1 c_~var_1_14~0))) (or (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg .cse1))) .cse2) (and (= c_~var_1_10~0 (bvadd c_~var_1_11~0 (bvneg c_~var_1_14~0))) (not .cse2))))))) is different from true